Introduction

The United States Supreme Court handed down a series of decisions on June 29, 2026 that together created a split outcome for former President Donald Trump’s policy agenda. While the Court dismantled key elements of the administration’s economic regulation strategy, it simultaneously broadened presidential authority over independent agencies and relaxed rules governing mail‑in voting. The juxtaposition of setbacks and gains underscores the Court’s pivotal role in shaping the nation’s political landscape.

Economic Regulation Setback

In a decisive move, the justices rejected the administration’s tariff policy that had been promoted by the White House. By striking down the tariff, the Court removed a major tool the Trump agenda had pursued to protect domestic industries and influence trade balances. This loss curtails the administration’s ability to impose broad tariffs without congressional approval.

Mail‑In Voting Relief

On voting procedures, the Court affirmed a Mississippi law allowing ballots that are postmarked by Election Day to be counted if they arrive up to five days later. The ruling emphasizes that a voter’s choice is made when the ballot is mailed, not when it is received. This decision loosens restrictions that the Trump administration had sought to tighten, providing greater flexibility for voters who rely on mail‑in ballots.

Expanded Executive Authority

Perhaps the most consequential outcomes for the President were the rulings that expanded executive power over independent federal agencies. In a 6‑3 decision, the Court overturned a 90‑year‑old precedent that limited a president’s ability to remove agency officials. The decision directly affected the Federal Trade Commission, confirming the president’s authority to fire its commissioners at will. This shift is expected to influence dozens of regulatory bodies, granting future presidents broader control over agencies that shape election laws, communications policy, labor disputes, and environmental regulations.

Limits on Removing Independent Regulators

Despite the broadening of presidential power, the Court drew a line on the Federal Reserve. In a narrow 5‑4 vote, the justices blocked Trump’s attempt to immediately dismiss Governor Lisa Cook, citing statutory protections that preserve the central bank’s independence. Chief Justice John Roberts highlighted the potential “calamities” that could arise if presidents could unilaterally control monetary policy.

Other Notable Decisions

The Court also declined to review Trump’s appeal in the E. Jean Carroll defamation case, leaving a $5 million judgment in place. While this does not alter the broader political agenda, it represents a personal legal defeat for the former president.

Conclusion

Overall, the Supreme Court’s mixed verdict delivers both setbacks and victories for the Trump agenda. Economic regulation ambitions were curbed, yet the expansion of presidential removal powers equips the executive branch with a new tool to shape policy direction. Meanwhile, the affirmation of mail‑in ballot counting underscores the Court’s willingness to protect voting access. These decisions will reverberate through upcoming elections and future administrations, highlighting the Court’s enduring influence on American governance.