Trump victorious in Kentucky caucuses
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Kentucky was once a primary state, but the state party changed its format to allow Sen. Rand PaulRand PaulOvernight Healthcare: CBO score imperils ObamaCare repeal | Breaking down the numbers | WH hits back over score | Trump phones holdouts | Dems plan floor protest New CBO analysis imperils GOP ObamaCare repeal Three GOP senators to vote against taking up healthcare bill without changes MORE to run for president and reelection to the Senate simultaneously.
 
Paul dropped out of the presidential race in early February after a fifth-place showing in the Iowa caucuses.