Republican Presidential candidate Dr. Ben Carson speaks in Phoenix on Dec. 4, 2015. Carson threatens to leave the Republican Party and run as an independent.
Republican Presidential candidate Dr. Ben Carson speaks in Phoenix on Dec. 4, 2015. Carson threatens to leave the Republican Party and run as an independent. Matt York AP
Republican Presidential candidate Dr. Ben Carson speaks in Phoenix on Dec. 4, 2015. Carson threatens to leave the Republican Party and run as an independent. Matt York AP

What happens if Republicans face a brokered convention

December 12, 2015 2:27 PM