Copyright 2017 NPR. To see more, visit ARI SHAPIRO, HOST: President Donald Trump has named his new national security adviser - Lieutenant General H.R. McMaster. McMaster replaces General Michael Flynn, who was asked to hand in his resignation last week after he misled the vice president about phone conversations with Russia's ambassador to the U.S. President Trump made the announcement this afternoon sitting on a couch with General McMaster in the living room at Mar-a-Lago in Florida. (SOUNDBITE OF ARCHIVED RECORDING) PRESIDENT DONALD TRUMP: He's a man of tremendous talent and tremendous experience. I watched and read a lot over the last few days. He is highly respected by everybody in the military, and we're very honored to have him. SHAPIRO: NPR's White House correspondent Tamara Keith joins us now to talk about the president's choice. Hi, Tam. TAMARA KEITH, BYLINE: Hi, Ari. SHAPIRO: President Trump spent a good bit of yesterday talking to prospective candidates, mostly generals.