PBS Newshour: U.S. sanctions Putin’s friends and advisors to force ‘clear choice’ on Ukraine

The Obama administration has announced additional sanctions on Russian officials and key companies with close ties to President Putin to persuade Moscow to diffuse tensions in Ukraine. Deputy National Security Advisor Tony Blinken joins Gwen Ifill to discuss the strategy behind these new sanctions, their potential to hurt U.S. companies and the prospect of further sanctions still in reserve.