'Headliners: Vladimir Putin' Changes Swept the Soviet Union01:23
Vladimir Putin, President of the Russian Federation and former KGB agent, has ominously loomed over the Trump presidency. With the cyber-attacks on the 2016 election and the possibility of more in 2018, how much of a threat does Putin pose to the United States? Putin is determined to put Russia back in the center of the international universe and there are serious questions about President Trump’s ability -- and willingness -- to stop him. 'Headliners: Vladimir Putin' only on MSNBC.