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Jun 30, 2026 The City of Salem sued DHS and FEMA over anti-DEI grant conditions Tier 1 · Primary Institutions and Governance
The lawsuit challenged federal grant conditions as unlawful, testing whether agencies can use funding to impose ideological compliance.
Supporting reports
- Complaint filed — City of Salem v. Mullin — On June 30, 2026, the City of Salem, Oregon filed a complaint against the Department of Homeland Security (DHS) and the Federal Emergency Management Agency (FEMA) in the District of Oregon.
Jun 22, 2026 A federal judge in Minnesota quashed Justice Department subpoenas to Minnesota officials over immigration enforcement. Tier 1 · Primary Institutions and Governance
The ruling defended state autonomy and judicial review against federal attempts to pressure state officials into enforcing national policy.
Supporting reports
- Federal judge quashes subpoenas for Minnesota officials — A federal judge in Minnesota quashed subpoenas issued by the US Department of Justice to state and local officials, including Governor Tim Walz and Attorney General Keith Ellison.
- Federal judge quashes subpoenas tied to Trump's immigration enforcement — A federal judge in Minnesota has quashed subpoenas related to former President Trump's immigration enforcement crackdown.
Jun 22, 2026 New York State sued the Justice Department, DHS, and ICE over federal resistance to state immigration-related laws. Tier 1 · Primary Institutions and Governance
The suit raised a federalism dispute over whether the national government can override state control of local law enforcement policy.
Supporting reports
- Complaint filed — State of New York v. United States Department of Justice — On June 22, 2026, the State of New York filed a complaint in the Northern District of New York against the Department of Justice, Department of Homeland Security, and Immigration and Customs Enforcement.
May 5, 2026 Fulton County filed a motion to quash a federal subpoena seeking poll-worker contact information Corroborated Institutions and Governance
The filing pushed back on federal demands that local officials said could intimidate election workers and disrupt state election administration.
Supporting reports
- Fulton County files motion to quash federal subpoena for poll worker details — Fulton County, Georgia, has filed a motion in federal court to quash a subpoena issued by Dan Bishop, the interim US attorney for North Carolina's middle district.
May 3, 2026 A federal judge dismissed the Justice Department's lawsuit seeking Arizona voter-roll information Corroborated Institutions and Governance
The ruling checked federal demands for sensitive voter data and reinforced limits on executive reach into state election records.
Supporting reports
- Federal judge dismisses DOJ lawsuit against Arizona over voter roll access — A federal judge, Susan Brnovich, dismissed a lawsuit filed by the U.S.
Mar 23, 2026 California sued the Energy Department over the restart of the Sable Offshore pipeline Corroborated Institutions and Governance
The lawsuit tested federal-state boundaries and challenged executive use of emergency authority against state law and court orders.
Supporting reports
- California sues US Energy Department over pipeline restart — California Attorney General Rob Bonta has filed a lawsuit against the US Energy Department in San Francisco federal court.
Mar 16, 2026 The University Corporation for Atmospheric Research sued the National Science Foundation over alleged retaliation against Colorado Tier 1 · Primary Institutions and Governance
The case alleged federal retaliation tied to state policy choices, testing limits on executive leverage over grants and state autonomy.
Supporting reports
- Complaint filed — University Corporation for Atmospheric Research v. National Science Foundation — The University Corporation for Atmospheric Research (UCAR) filed a complaint in the District of Colorado against the National Science Foundation (NSF) and other federal agencies, alleging unconstitutional retaliation
Jan 17, 2026 The Department of Justice opened an investigation into Minnesota officials over alleged obstruction of immigration enforcement Tier 1 · Primary Institutions and Governance
The investigation tested whether federal legal machinery was being used to pressure state and local officials in an institutional conflict over policy.
Supporting reports
- DOJ Investigates Minnesota Officials for Alleged Conspiracy — The Department of Justice has announced an investigation into Minnesota officials, including Governor Tim Walz and Minneapolis Mayor Jacob Frey, over an alleged conspiracy to impede federal immigration agents.
- DOJ Investigates Minnesota Officials for Impeding Law Enforcement — The Department of Justice is investigating Minnesota Governor Tim Walz and Minneapolis Mayor Jacob Frey on criminal charges for allegedly obstructing law enforcement during the deployment of federal agents in their
- DOJ Investigates Minnesota Officials Over Immigration Enforcement — The U.S.
Jan 12, 2026 Minnesota, Minneapolis, and St. Paul sued the Trump administration to halt the federal immigration surge Corroborated Institutions and Governance
The case asked courts to police federal overreach and protect state authority, civil rights, and local governance from coercive enforcement.
Supporting reports
- Minnesota sues Trump administration over ICE agent surge — On January 12, 2026, Minnesota Attorney General Keith Ellison announced a lawsuit against the Trump administration, specifically targeting the Department of Homeland Security (DHS), to end the surge of ICE agents in
- Minnesota Attorney General Files Lawsuit Against Trump Administration — Minnesota Attorney General Keith Ellison announced a lawsuit against the Trump administration, citing the Department of Homeland Security's (DHS) use of excessive and lethal force, warrantless arrests, and targeting of
- Minnesota Attorney General Files Federal Lawsuit Against DHS Operation — Minnesota's Attorney General, Keith Ellison, announced a lawsuit against the federal government, challenging the surge of ICE agents in the state.
Dec 11, 2025 The Trump administration threatened Indiana legislators with loss of federal funding if they did not pass a favorable congressional map Corroborated Institutions and Governance
The pressure campaign used federal leverage to influence a state legislature's electoral map, straining norms of state autonomy and fair process.
Supporting reports
- Heritage Foundation Criticizes Trump's Threats — Tim Chapman, a former co-founder of the Heritage Foundation, criticized the Trump administration's threats to withhold federal funding from Indiana over its refusal to pass a redistricting effort.
- Trump Administration Pressures Indiana Legislators Over Congressional Map — The Trump administration has pressured Indiana state legislators to pass a congressional map favoring Republicans, threatening to withhold federal funding if they do not comply.
Nov 26, 2025 Donald Trump pressured the Indiana Senate to take up redistricting and threatened primary challenges Corroborated Institutions and Governance
The pressure campaign tested the independence of a state legislature in a core representation dispute.
Supporting reports
- Trump Pressures Indiana Senate on Redistricting — Donald Trump has targeted the Indiana Senate, urging them to take up redistricting in two weeks.
Oct 29, 2025 The Ninth Circuit agreed to rehear the case on President Trump's authority to deploy the National Guard in Portland. Corroborated Institutions and Governance
The rehearing reopened a major institutional dispute over presidential military power and state sovereignty.
Supporting reports
- Ninth Circuit Court of Appeals to Rehear Case on Trump's Authority to Deploy National Guard in Portland — The Ninth Circuit Court of Appeals has agreed to an "en banc" rehearing of a case concerning former President Donald Trump's authority to deploy the National Guard in Portland, Oregon.
Oct 25, 2025 A federal judge in Portland refused to lift an order blocking federalized National Guard deployment to Portland. Corroborated Institutions and Governance
The ruling preserved a judicial check on executive attempts to use military force in a city over state objections.
Supporting reports
- Portland judge rejects Trump request to allow national guard deployment — On October 24, 2025, a federal judge in Portland, Oregon, rejected the Trump administration's request to lift an order blocking the deployment of federalized national guard troops to the city.
Oct 14, 2025 A federal judge ruled that DHS violated a court order by tying FEMA grants to immigration cooperation Tier 1 · Primary Institutions and Governance
The ruling checked executive attempts to use grant rules to coerce states, reinforcing judicial oversight of federal-state relations.
Supporting reports
- Federal judge rules against DHS on FEMA grants — A federal judge ruled that the Trump administration violated a court order by requiring states to cooperate with federal immigration enforcement to receive FEMA emergency preparedness grants.
Sep 19, 2025 House Republicans proposed 14 tough-on-crime bills for Washington DC Corroborated Institutions and Governance
The package sought to reshape local criminal-justice policy in the federal district, testing the balance between congressional authority and home rule.
Supporting reports
- House Republicans propose 14 bills imposing "tough on crime" policies in Washington DC — House Republicans have proposed 14 bills aimed at imposing "tough on crime" policies in Washington DC.
Aug 25, 2025 Representative Andy Biggs introduced a bill to extend the federal takeover of Washington, D.C., police Tier 1 · Primary Institutions and Governance
The bill aimed to turn a temporary emergency intervention into a longer default structure, shifting power away from local self-government.
Supporting reports
- Representative Andy Biggs introduces bill to extend police takeover — Representative Andy Biggs (R-AZ) introduced a bill to extend the federal takeover of Washington, D.C.'s police for approximately six months, making this duration the default for future emergencies.
Aug 23, 2025 A federal judge blocked the White House from defunding 34 sanctuary municipalities Corroborated Institutions and Governance
The ruling checked executive attempts to coerce local governments through funding threats and reinforced constitutional limits on federal power.
Supporting reports
- Judge blocks White House from defunding 34 municipalities over ‘sanctuary’ policies — A federal judge, William Orrick, has issued an order blocking the Trump administration from cutting off federal funding to 34 municipalities that have 'sanctuary' policies, which limit cooperation with federal
Aug 15, 2025 D.C. Attorney General Brian Schwalb sued the Trump administration over its police takeover Corroborated Institutions and Governance
The lawsuit used institutional legal channels to defend local self-government against federal encroachment.
Supporting reports
- DC Attorney General Sues Trump Administration Over Police Takeover — DC's attorney general filed a lawsuit against the Trump administration to block its takeover of the local police department, arguing that it infringes on the District's right to self-governance and endangers public
Jun 18, 2025 The Ninth Circuit allowed President Trump to keep control of California National Guard troops during the appeal Tier 1 · Primary Institutions and Governance
The ruling strengthened federal control in an active state-federal dispute over domestic troop deployment while the case continued.
Supporting reports
- Federal court ruling against military deployment in Los Angeles — A federal judge ruled that control of national guard troops and US marines deployed to Los Angeles should return to California's Democratic governor, Gavin Newsom.
- Appeals court rules in favor of Trump on National Guard deployment — The Ninth Circuit Court of Appeals ruled in favor of President Trump, allowing him to maintain control over the deployment of National Guard troops in Los Angeles.
- Federal Appeals Court Rules on National Guard Control — A federal appeals court ruled that President Trump can temporarily maintain control over California's National Guard troops in Los Angeles.
Apr 29, 2025 The Trump administration sued Michigan and Hawaii to block planned climate litigation against oil companies Corroborated Institutions and Governance
The lawsuits used federal courts to preempt state legal strategies, intensifying conflict over state and federal institutional authority.
Supporting reports
- Trump Administration Sues Michigan and Hawaii Over Climate Laws — The Trump administration sued Michigan and Hawaii to stop them from filing lawsuits against major oil companies for their role in the climate crisis.
- Trump Administration Sues States Over Climate Lawsuits — The Trump administration sued Michigan and Hawaii to prevent them from filing lawsuits against major oil companies for their role in the climate crisis.
- DoJ Sues States to Block Climate Litigation Against Oil Companies — The U.S.
Apr 24, 2025 Judge William Orrick blocked the administration from withholding funds from sanctuary cities and counties. Tier 1 · Primary Institutions and Governance
The injunction limited federal coercion of local governments and reaffirmed constitutional boundaries on executive funding threats.
Supporting reports
- Federal judge blocks Trump administration from withholding funds from sanctuary cities — On April 24, 2025, U.S.
- Preliminary injunction ruling — City and County of San Francisco v. Donald J. Trump, et al (N.D. Cal.) 3:25-cv-01350 — Judge William Orrick granted a preliminary injunction .
Apr 10, 2025 Courts and litigants in multiple federal cases advanced challenges involving deportation, records, education, immigration, and agency control Tier 1 · Primary Institutions and Governance
The filings and rulings showed courts continuing to mediate conflicts over executive power across many policy areas.
Supporting reports
- Lawyers file petition to US Supreme Court to stop execution by firing squad — Lawyers for Mikal Mahdi, a South Carolina death row inmate, have filed a petition to the US Supreme Court to halt his execution by firing squad.
- Case update — Abrego Garcia v. Noem (D. Md.) 8:25-cv-00951 — On the evening of April 10 the Supreme Court, in a per curiam opinion without any dissent, upheld the district court order in large part.
- Case update — American Oversight v. Hegseth (D.D.C.) 1:25-cv-00883 — Following a hearing, the court ordered the Defendants to provide supplemental declarations to address “specific clarifications” missing from the first round of declarations.
Feb 6, 2025 The Department of Justice sued Illinois and Chicago over sanctuary laws Corroborated Institutions and Governance
The lawsuit tested federal power to override state and local immigration policies through the courts.
Supporting reports
- DoJ sues Chicago and Illinois over sanctuary laws — On February 5, 2025, the U.S.
- DOJ Sues Chicago and Illinois Over Sanctuary Laws — The Department of Justice filed a lawsuit against Chicago and Illinois, arguing that the city and state interfere with Trump’s immigration crackdown.