Adam Liptak

A lively argument spanning almost three hours featured illuminating exchanges that tested the usual commitments of some of the justices on the right side of the court.

The Supreme Court used the doctrine, which requires Congress to speak clearly to confer vast economic power, to strike down several Biden administration programs.

Heather K. Gerken, a voting rights scholar and former dean of Yale Law School, plans to intensify its emphasis on democracy as it girds for attacks from the Trump administration.

The justices used the doctrine, a judicially created method of reading statutes, to thwart several major Biden programs.

The administration says the ruling, stemming from the seizure of an old mare, forbids judges from second-guessing his use of the National Guard.

Half a century ago, Congress protected its power of the purse, and conservatives balked at letting presidents disobey lawmakers’ instructions.

In a dispute over a Louisiana voting map, the conservative majority signaled it might prohibit using race as a factor in creating election districts. Resulting redistricting could let states cement Republican control of Congress.

As the Supreme Court seems poised to expand the president’s power, a leading scholar whose work the justices have often cited issued a provocative dissent.

In a rare interview, the justice bemoaned vulgarity in public life, discussed his family’s ties to President Trump and reflected on his own history and legacy.

Colorado and over 20 other states have banned the practice aimed at changing the sexual orientation or gender identity of young people.