Should the U.S. beef up military support to Ukraine?

Aired: 2/5/2015 | 0:07:44 | Clip
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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