Lead Iran negotiator: U.S. would consider limited enrichment
Clip: 12/04/2013 | 7m 54s
A comprehensive nuclear agreement with Iran could include "limited" enrichment if the nation agrees to intrusive monitoring says Under Secretary of State for Political Affairs Wendy Sherman. Gwen Ifill talks to Sherman about what the U.S. gained in the interim deal and what could be lost if Congress imposes additional sanctions.
Aired: 12/04/13
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