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NEW YORK, NY - MAY 15: U.S. Senator Charles Schumer (D-NY) speaks at a press conference outside New York Penn Station calling for a greater funding and safety for U.S. railways on May 15, 2015 in New York City. The four point plan comes on the heels of an Amtrak train accident outside Philadelphia that killed 8 people and injured more than 200 others. (Photo by Andrew Burton/Getty Images)
NEW YORK, NY - MAY 15: U.S. Senator Charles Schumer (D-NY) speaks at a press conference outside New York Penn Station calling for a greater funding and safety for U.S. railways on May 15, 2015 in New York City. The four point plan comes on the heels of an Amtrak train accident outside Philadelphia that killed 8 people and injured more than 200 others. (Photo by Andrew Burton/Getty Images)

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    Chuck Schumer to oppose Iran nuclear deal

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Chuck Schumer to oppose Iran nuclear deal

New York Sen. Chuck Schumer, an influential Democrat, says he will oppose President Obama's nuclear deal with Iran. CNN's Sunlen Serfaty reports.

Chuck Schumer to oppose Iran nuclear deal

New York Sen. Chuck Schumer, an influential Democrat, says he will oppose President Obama's nuclear deal with Iran. CNN's Sunlen Serfaty reports.