Sen. Marco Rubio, R-Fla.

Sen. Marco Rubio, R-Fla., is considered a rising star in the Republican Party -- and a likely contender for the GOP presidential nomination in 2016. The young, savvy, and Cuban-American senator recently attempted to burnish his foreign policy credentials on a trip to Israel, where he met with Israeli Prime Minister Benjamin Netanyahu, pictured here.

Credit: Office of Sen. Marco Rubio, R-Fla.