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DES MOINES, IA - FEBRUARY 1:  Senator  Rand Paul (R-TX) speaks during a caucus day rally at his Des Moines headquarters on February 1, 2016 in Des Moines, Iowa. The Presidential hopeful was accompanied by his wife, Kelly, mother, Carol Wells and his father, former Congressman Ron Paul. Pauls were there to thank all the staff and volunteers for all their hard work in Iowa. (Photo by Pete Marovich/Getty Images)
DES MOINES, IA - FEBRUARY 1:  Senator  Rand Paul (R-TX) speaks during a caucus day rally at his Des Moines headquarters on February 1, 2016 in Des Moines, Iowa. The Presidential hopeful was accompanied by his wife, Kelly, mother, Carol Wells and his father, former Congressman Ron Paul. Pauls were there to thank all the staff and volunteers for all their hard work in Iowa. (Photo by Pete Marovich/Getty Images)

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    Rand Paul suspending presidential campaign

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Rand Paul suspending presidential campaign

CNN's Mark Preston reports that Sen. Rand Paul is suspending his campaign for president.

Rand Paul suspending presidential campaign

CNN's Mark Preston reports that Sen. Rand Paul is suspending his campaign for president.