Donald Trump February 20, 2017 3:52 pm Trump Picks McMaster as National Security Adviser President Donald Trump announces Army Lt. Gen. H.R. McMaster as his pick for national security adviser at Trump’s Mar-a-Lago estate in Palm Beach, Fla., Feb. 20, 2017. US & World Videos 4:00 Overcast Saturday with scattered showers 2:27 Emma Stone dazzles with co-star Joe Alwyn at Cannes Film Festival 3:02 Mia Rubín shares biggest business lessons parents have taught her ahead of debut album release 3:49 Tyra Banks opens up about motherhood and reveals how Jennifer Lopez inspired her 4:40 Whoopi Goldberg defends Harrison Butker amid speech backlash