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Rand Paul on Iran nuclear deal: ‘I’m going to keep an open mind’

"I do believe that negotiation is better than war," Paul, who announced his presidential run Tuesday, told TODAY's Savannah Guthrie in an exclusive interview.

Sen. Rand Paul (R-KY) waves to supporters after taking the stage to announce his candidacy for the Republican presidential nomination during an event at the Galt House Hotel on April 7, 2015 in Louisville, Ky. (Photo by Luke Sharrett/Getty)
Sen. Rand Paul (R-KY) waves to supporters after taking the stage to announce his candidacy for the Republican presidential nomination during an event at the Galt House Hotel on April 7, 2015 in Louisville, Ky.Getty Images

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