Democrats, Republicans deadlocked over next steps in impeachment

Democrats and Republicans remain deadlocked over how to proceed with President Trump’s upcoming impeachment trial in the Senate. Senate Minority Leader Chuck Schumer is calling for witnesses and White House documents, while Majority Leader Mitch McConnell calls House Speaker Nancy Pelosi’s holding of the impeachment articles “absurd.” CBS News’ Marc Liverman joined CBSN AM with the latest. Source