President Trump’s lies about doing business in Moscow may not be crimes, but they could have serious implications for U.S. National Security. Retired Lieutenant Colonel Ralph Peters tells Ari Melber he “can’t imagine a more serious national security threat that a U.S. President who is compromised” by Russia and says he does not “buy” that Trump is a patriot, and does not believe “he would sacrifice his life to save the lives” of Americans.