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U.S. President Barack Obama arrives to deliver remarks on the nuclear deal reached with Iran at American University in Washington, D.C., August 5, 2015.
U.S. President Barack Obama arrives to deliver remarks on the nuclear deal reached with Iran at American University in Washington, D.C., August 5, 2015.

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    Obama dealt setback in Iran deal

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Obama dealt setback in Iran deal

Key Democrat Sen. Chuck Scumer comes out against the Iran deal. CNN's Jim Acosta reports.

Obama dealt setback in Iran deal

Key Democrat Sen. Chuck Scumer comes out against the Iran deal. CNN's Jim Acosta reports.