Obama warns Ukraine of consequences for violence, but lacks leverage

Obama warns Ukraine of consequences for violence, but lacks leverage

The U.S. is leaning hard on 20 top Ukrainian officials that it holds responsible for the brutality in Ukraine, and banned them from traveling to the U.S. The U.S. is expected to take further action, including freezing their financial assets. CBS News State Department correspondent Margaret Brennan reports on the political maneuverings surrounding the recent violence in Ukraine.