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 2:15 Opening statements made, witnesses called in hush money trial against Donald Trump 24:46 @Issue: Trump “hush money” trial underway 2:08 Boston announces first chief climate officer 3:07 What's working for Biden's campaign — and what's not working for Trump 2:12 Trump's hush money trial begins with jury selection