Tensions in Ukraine are high as Russia builds up its military capacity along the border. Cyber attacks on Kiev have also increased. Can the US and NATO do anything to deescalate the situation, or will Putin decide to invade?  

 Ian Bremmer speaks with Russia/Ukraine expert Alina Polyakova of the Center for European Policy Analysis, who believes that based on Putin’s actions, all the signals are pointing to an imminent Russian invasion of Ukraine - though that could actually strengthen NATO.