Weekly Roundup: Thursday, January 17

The showdown over the government shutdown makes little headway as Trump's support from his base wanes. Plus, more names have been added to the list of who will run for president in 2020. This episode: White House correspondent Tamara Keith, Congressional correspondent Susan Davis, national political correspondent Mara Liasson, White House reporter Ayesha Rascoe, White House correspondent Scott Horsley, political reporter Asma Khalid, and political editor Domenico Montanaro. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.