President Trump delivered his first State of the Union Tuesday night — a call for unity, peppered throughout with language and themes aimed at his base, on immigration, the economy and national security. This episode, host/White House correspondent Tamara Keith, congressional correspondent Susan Davis, political editor Domenico Montanaro and national political correspondent Mara Liasson. Email the show at nprpolitics@npr.org. Find and support your local public radio station at npr.org/stations.