Democrats unveiled a long-anticipated plan to lower the cost of prescription drugs as they pivot away from an unruly congressional hearing earlier in the week. Plus, President Trump names his new National Security Adviser amid heightened tensions with Iran. This episode: political correspondent Scott Detrow, White House reporter Ayesha Rascoe, White House correspondent Franco Ordoñez, Congressional correspondent Susan Davis, 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.