President Trump has threatened to declare a state of emergency to fund the border wall without going through Congress. Hear from constitutional expert Robert McWhirter about whether the president can declare a state of emergency in this situation.
Shaun Evans sports a new look as DS Endeavour Morse for the sixth season of "Endeavour" on Masterpiece Sunday nights at 8 p.m. on Arizona PBS.
From Viking armies to space exploration, "Nova" explores our world on Wednesdays at 8 p.m. on Arizona PBS.
Join Mark Tarbell as he takes you inside some of the most interesting places to eat every Thursday night at 7 p.m.