Slim chances for a full Iran nuclear deal by the deadline?

Aired: 11/21/2014 | 0:04:38 | Clip
With the deadline for a deal on Tehran's nuclear program just days away, talks are on between U.S and Iranian negotiators in Vienna. How likely is it that they can bridge the gap between their demands by Monday? Hari Sreenivasan talks to David Sanger of The New York Times.