Will the Ukraine-Russia deal stick?

Aired: 2/12/2015 | 0:07:48 | Clip
A previous cease-fire last year between Ukraine and the Russian-backed rebels barely took hold, eventually collapsing altogether. What are the chances the new agreement will last? Gwen Ifill talks to Fiona Hill of the Brookings Institution and former U.S. Ambassador to Russia Michael McFaul.