Marco Rubio, Republican nominee for U.S. Senate in Florida, speaks to supporters in Pensacola, Fla. If elected, he would join a New Jersey Democrat as a second Cuban-American in the Senate. (Associated Press)

Marco Rubio, Republican nominee for U.S. Senate in Florida, speaks to supporters in Pensacola, Fla. If elected, he would join a New Jersey Democrat as a second Cuban-American in the Senate. (Associated Press)