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 0:53 Police in New Jersey wrangle runaway “ham-some” pig 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance