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Proponent of travel to Cuba seeks open Arizona Senate seat

Arizona Republican Rep. Jeff Flake -- a major proponent of lifting the U.S. travel ban to Cuba -- is looking to move up, announcing today that he'll seek the Senate seat being vacated by Jon Kyl.

Flake frequently tangled in the House with former Rep. Lincoln Diaz-Balart and said last year he hoped that Diaz-Balart's departure would make it easier to push legislation that improves U.S. relations with Cuba.

Their back and forths at one point prompted an apology from Diaz-Balart, who during a debate on the House floor, Flake said, rose and "said something to the effect of,  'I think the gentleman from Arizona just wants to lift the travel ban so he can go and drink mojitos on the beach in Cuba.' ''