Michael Gerson and Karen Tumulty on 2020 Senate races

The Washington Post’s Michael Gerson and Karen Tumulty join Amna Nawaz to discuss the latest in politics, including our analysis of upcoming 2020 Senate races and potential candidates, the controversy over Israel’s barring a visit from Reps. Omar and Tlaib, how trade tensions between the U.S. and China are affecting the economy and President Trump’s apparent interest in purchasing Greenland.