A diver swims by the Aquarius Reef Base, a permanent working undersea laboratory off Key Largo, Fla., in the Florida Keys National Marine Sanctuary. The Obama administration cut the lab's funding, and now scientists are trying to save it. AP via NOAA hide caption

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Sen. Marco Rubio, R-Fla., leaves the stage after speaking at the Council on Foreign Relations on May 31 in New York. Stan Honda/AFP/Getty Images hide caption

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"I Voted" stickers are left ready for voters at a polling station on Jan. 31, the day of Florida's presidential primary, in Tampa. Joe Raedle/Getty Images hide caption

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Bill Internicola, a 91-year-old veteran of World War II, was one of the voters targeted by Florida as a potential noncitizen. Internicola was ordered to prove his citizenship or lose the right to vote. He is flanked by U.S. Rep. Ted Deutch, who called on Florida Gov. Rick Scott to stop the purge of voter rolls immediately. Taimy Alvarez/MCT/Landov hide caption

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President Obama returns a Marine's salute as he boards the Marine One helicopter Wednesday. Obama traveled to Colorado Springs for the U.S. Air Force Academy graduation ceremony. Charles Dharapak/AP hide caption

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