(Susan Walsh | The Associated Press)President Donald Trump, right, speaks as Army Lt. Gen. H.R. McMaster, left, listens at Trump's Mar-a-Lago estate in Palm Beach, Fla., Monday, Feb. 20, 2017, where Trump announced that McMaster will be the new national security adviser. McMaster on Sunday said Trump is not reconsidering the his decision to pull the U.S. out of the Paris climate deal, but the door still was open for a better agreement down the road.