Trump signs his first executive order targeting a specific law firm, Perkins Coie LLP, which represented Hillary Clinton’s campaign in 2016. Perkins Coie responded by suing the Trump administration.

Chief Justice John Roberts, Justice Elena Kagan, Justice Brett Kavanaugh, Justice Amy Coney Barrett, and retired Justice Anthony Kennedy at U.S. President Trump's address. (Win McNamee/Press Pool ...

Litigation is mushrooming over Trump’s campaign to remake the federal government, some of which has already reached the high court.