Trump’s Ukraine Demands Would 'Undermine National Security,' According to White House Official

Army Lieutenant Colonel Alexander Vindman arrives on Capitol Hill, Tuesday, Oct. 29, 2019, to appear before Congress to be part of the impeachment inquiry into President Donald Trump.   

Emily Bazelon, staff writer for The New York Times Magazine, co-host of Slate's "Political Gabfest" podcast, and author of Charged: The New Movement to Transform American Prosecution and End Mass Incarceration (Random House, 2019), and Jonathan Lemire, White House reporter for the Associated Press and political analyst for MSNBC/NBC News, discuss the latest news on the impeachment inquiry, including today's testimony of top White House Ukraine expert Alexander Vindman, and the announcement that the House will vote on aspects of impeachment this coming Thursday, as the president has demanded.