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US Republican Senator from Kentucky Rand Paul addresses the 2015 Conservative Policy Summit at the Heritage Foundation in Washington on January 13, 2015. Paul is a possible presidential candidate in next year's election.  AFP PHOTO/NICHOLAS KAMM        (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
US Republican Senator from Kentucky Rand Paul addresses the 2015 Conservative Policy Summit at the Heritage Foundation in Washington on January 13, 2015. Paul is a possible presidential candidate in next year's election.  AFP PHOTO/NICHOLAS KAMM        (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)

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Rand Paul: It would have been a massacre

Rep. Rand Paul describes the scene at a baseball field in Alexandria, Virginia, where a gunman opened fire on congressional staff.

Rand Paul: It would have been a massacre

Rep. Rand Paul describes the scene at a baseball field in Alexandria, Virginia, where a gunman opened fire on congressional staff.