Homeland security adviser Tom Bossert speaks during the daily White House press briefing at the White House on Thursday, May 11, 2017.
Homeland security adviser Tom Bossert speaks during the daily White House press briefing at the White House on Thursday, May 11, 2017. Evan Vucci AP
Homeland security adviser Tom Bossert speaks during the daily White House press briefing at the White House on Thursday, May 11, 2017. Evan Vucci AP