Trumps GOP presidential rivals Marco Rubio and Ted Cruz put their focus squarely on the front-runner at the Houston debate.<br />The GOP presidential candidates exaggerated facts as they barreled into the final stretch to Super Tuesday after an insult-trading debate in which Marco Rubio .<br />Former Florida Governor Jeb Bush got into heated exchange with Donald Trump during the Republican presidential debate on Wednesday after he accused the .<br />Controversial remarks about securing the homeland sparks debate; Carl Cameron with the GOP roundup on Special Report Watch Bret Baier and Carl .
