Latest on Iran war, 60 days after U.S. and Iran signed memorandum that called for peace talks

It has been 60 days since the U.S. and Iran signed a memorandum of understanding that was meant to be the first step in a wider peace process, but in those 60 days negotiators have made virtually no progress on a permanent end to the war. CBS News' Charlie D'Agata, Aaron MacLean and Nancy Cordes have the latest on the war.