Republican presidential candidates, Sen. Marco Rubio, R-Fla, left, and businessman Donald Trump argue while answering a question during the Republican Presidential Primary Debate at the University of Houston Thursday, Feb. 25, 2016.
Republican presidential candidates, Sen. Marco Rubio, R-Fla, left, and businessman Donald Trump argue while answering a question during the Republican Presidential Primary Debate at the University of Houston Thursday, Feb. 25, 2016. Gary Coronado AP
Republican presidential candidates, Sen. Marco Rubio, R-Fla, left, and businessman Donald Trump argue while answering a question during the Republican Presidential Primary Debate at the University of Houston Thursday, Feb. 25, 2016. Gary Coronado AP

Panic swells talk of contested convention to propel Marco Rubio to nomination

March 02, 2016 08:21 PM