Rubio says will run for re-election to US Senate

Republican Senator Marco Rubio of Florida announced Wednesday he will run for re-election, a 180-degree reversal from his pledge to either win the US presidency this year or return to private life. The move would make the high-profile Rubio the immediate frontrunner in the race, and provides a boost to Republican Party efforts to block Democrats from snatching the seat in a key battleground state. "Control of the Senate may very well come down to the race in Florida," he said in a lengthy statem