Ambassador Gordon Sondland implicates President Trump and other top administration officials in a “quid pro quo” with Ukraine. And new testimony raises questions about what Ukraine knew, and when. President Trump watched just part of Gordon Sondland's testimony, before claiming that a September 9th phone call with the E.U. ambassador exonerates him. Democrats unite over impeachment, while clashing on who has the right kind of experience for the White House. New surveillance video shown to CBS News reveals the final moments before an 18-month-old girl fell to her death from the deck of a Royal Caribbean cruise ship.