Jeb Bush speaks as Marco Rubio listens during Republican presidential debate at Milwaukee in November.
Jeb Bush speaks as Marco Rubio listens during Republican presidential debate at Milwaukee in November. MORRY GASH AP
Jeb Bush speaks as Marco Rubio listens during Republican presidential debate at Milwaukee in November. MORRY GASH AP

First GOP primaries could make or break campaigns for Marco Rubio, Jeb Bush

January 23, 2016 12:00 AM