What is plenary authority? Does the president have plenary power? Here's what to know about the Insurrection Act and what was said.

Donald Trump is back in office and already flexing executive authority in unprecedented ways. NPR hears analysis from Bowdoin University's Andrew Rudalevige, who studies presidential power. So the ...

The Kentucky Supreme Court Thursday heard arguments in two cases that questioned Democratic Gov. Andy Beshear's power to make ...