Joe Biden has gotten aggressive. After weeks of dismissing the President's criticism of his son Hunter, the 2020 hopeful has pledged to prohibit family members from having relationships with foreign companies if he becomes president. But is that enough to stave off criticism at tomorrow's debate? Meanwhile, former White House Russia advisor Fiona Hill testifies in front of Congress. CNN political director David Chalian is joined by CNN reporter Arlette Saenz and CNN political commentator Karen Finney to talk through the latest impeachment developments.