The Supreme Court recently concluded its 2025-2026 term with a series of rulings on President Donald Trump’s actions, creating major precedents with wide-reaching impacts on executive power. Although Trump lost on key issues like tariffs and birthright citizenship, he won in ways that altered the balance of power between his branch and Congress. Here are the key cases where the Supreme Court expanded the White House’s authority—or reined it in. Firing Power In an opinion delivered on June 29, the Supreme Court upheld Trump’s removal of Federal Trade Commission (FTC) Chair Rebecca Slaughter, overturning a 91-year-old precedent that judges had used to insulate the commissioner and other agency heads from removal....