Top U.S. Diplomat In Ukraine Testifies In Impeachment Inquiry

William Taylor, the acting U.S. ambassador to Ukraine, is testifying about before members of Congress Tuesday about President Trump's strategy to pressure Ukraine for political help.

In text messages released by impeachment investigators, Taylor wrote: "I think it's crazy to withhold security assistance for help with a political campaign."

NPR congressional correspondent Susan Davis (@DaviSusan) joins Here & Now's Tonya Mosley to discuss.