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U.S. Republican presidential candidate Donald Trump introduces Alabama Senator Jeff Sessions (R) during his rally at Ladd-Peebles Stadium on August 21, 2015 in Mobile, Alabama.
U.S. Republican presidential candidate Donald Trump introduces Alabama Senator Jeff Sessions (R) during his rally at Ladd-Peebles Stadium on August 21, 2015 in Mobile, Alabama.

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    Sessions on why he's the only senator backing Trump

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Sessions on why he's the only senator backing Trump

Senator Jeff Sessions of Alabama speaks with CNN's Jake Tapper about why he's the only senator to endorse Donald Trump for president.

Sessions on why he's the only senator backing Trump

Senator Jeff Sessions of Alabama speaks with CNN's Jake Tapper about why he's the only senator to endorse Donald Trump for president.