Marco Rubio defends Donald Trump attacks
Washington (CNN)Florida Sen. Marco Rubio defended his position in the Republican presidential race, insisting his campaign doesn't ride on whether he wins his home state's March 15 winner-take-all primary.
Rubio also defended the nasty rhetoric of the Republican presidential debate in an interview with CNN's Dana Bash held in front of a live audience at the Conservative Political Action Conference and aired Sunday on "State of the Union."