As Senators Amy Klobuchar and Elizabeth Warren officially announce they are running for president, the Democratic hopefuls are trying to prove they are the one to beat President Trump. But each of them have a different strategy for taking him on. This episode: White House correspondent Tamara Keith, political reporter Asma Khalid, and Congressional correspondent Scott Detrow. Email the show at nprpolitics@npr.org. Find and support your local public radio station at npr.org/stations.