"Stay tuned, on September 16, I may be changing tactics," Christie told Jimmy Fallon.
Christie and Paul are now in the bottom half of the GOP field.
With public support for legalization on the rise, White House hopefuls are steering clear.
Jonathan Easley 08/31/15 07:37 PM EDT
The real estate mogul solidified his lead and dominated the race in August.
Jonathan Swan 08/31/15 06:07 PM EDT
Fiorina would have to knock Chris Christie out of the 10th spot for CNN's upcoming debate.
A GOP operative launched the committee after the rapper revealed presidential aspirations.
The top staffer has jumped to Rick Santorum's campaign.
Paul's 2016 GOP rival, Gov. Scott Walker, has called it a "legitimate" idea.
"We are not engaged here in demagoguery. We’re not engaged in racist attacks," Sanders said.
"Forget love, it’s time to get tough!” the real estate mogul declared.