Democratic governors vow to protect their states from Donald Trump. Also, Vice President Harris says we will never give up the fight for our democracy. And authoritarian world leaders praise Trump's victory. Rep.-elect Eugene Vindman, Caroline Randall Williams, Ruth Ben-Ghiat, and Michael Beschloss join Ali Velshi.

Donald Trump picks a Fox host to serve as defense secretary. Also, Trump allies push for Rick Scott as the Senate GOP leader. Plus, Senate Democrats race to confirm judges before the next Trump administration. And a former NASA official flips a GOP House seat in California. E.J. Dionne, Stuart Stevens, Sen. Amy Klobuchar, and Rep.-elect George Whitesides join Lawrence O'Donnell.