Trump's Legal Team Responds; Battle Over Trial Witnesses & Evidence; 2020 Candidates Benched By Impeachment; Warren vs. Sanders

The President has filed his formal response to the Impeachement summons. In the weeks between the House impeachment and the Senate trial, a LOT of new information has come out-will the GOP's "see no evil, hear no evil" strategy thus far work? What's the latest on the trial proceedings? CNN Political Analyst Rachael Bade discusses the latest with SE Cupp with analysis on the Senate Republicans in the spotlight from Bill Kristol. Former Democratic Sen. Barbara Boxer on the battle royale over the likelihood of hearing from impeachment trial witnesses and about new evidence. What will the impact be for the 2020 candidates benched from the campaign action because of impeachment? Former DNC Chair Terry McAuliffe weighs in. Is it good that Warren & Sanders' gloves are finally off? CNN Political Commentator Aisha Moodie-Mills & Republican Strategist Shermichael Singleton discuss with SE. The New York Times is about to make its Democratic nomination endorsement-who will it be & will it even matter? Those topics (plus the Harry & Meghan news) were discussed with CNN Chief Media Correspondent Brian Stelter. via Knit