Kentucky Sen. Rand Paul took to Twitter Friday to criticize his Republican colleague and likely 2016 presidential-primary rival Sen. Marco Rubio for the latter’s continued support of the U.S. embargo of Cuba.
In a series of tweets, Paul taunted the Florida senator over Rubio’s opposition to President Barack Obama’s efforts to normalize relations between the two countries, accusing Rubio of “acting like an isolationist.” The charge was even more biting given that Paul has been criticized by Republican hawks for being an isolationist on foreign policy.
Paul said Obama’s move was “probably a good idea,” while Rubio has heavily criticized the move.
The tweets are only the latest digital assault that Paul’s team has launched against a potential primary rival. Earlier this week, Paul’s political-action committee began running Google search ads critical of former Florida Gov. Jeb Bush.
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