As the Obama administration tries to convince skeptics in Congress on both sides of the aisle to authorize the recent agreement brokered with Iran last month to limit the country's ability to develop a nuclear weapon, nearly half of Americans say they don't know enough about the deal to have an opinion. But among those with an opinion, more disapprove (33 percent) of the agreement than approve (20 percent) of it. Republicans are particularly critical; 58 percent disapprove.
CBS News Homeland Security Correspondent Jeff Pegues and CBS News Senior National Security Analyst Juan Zarate discuss the issues lawmakers are c...
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