Should the U.S. beef up military support to Ukraine?
Clip: 02/05/2015 | 7m 44s
With the reigniting of the war in Ukraine, Western leaders are battling over how to help end the conflict. Should the U.S. send arms to fight Russian-backed rebels? Gwen Ifill hears opposing views from former U.S. Ambassador to Ukraine Steven Pifer and John Mearsheimer of the University of Chicago.
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