Mayor Pete Buttigieg sparred with Senator Elizabeth Warren over high-dollar fundraisers and with Senator Amy Klobuchar about impeachment in the sixth Democratic debate. CBSN political reporter Caitlin Huey-Burns joins from the spin room in Los Angeles, while Elaine Quijano anchors coverage with CBS News political analyst and Democratic strategist Antjuan Seawright, CBS News political analyst and Republican strategist Leslie Sanchez and CBSN political contributor Molly Hooper for post-debate analysis and coverage. Source