"We are drowning in regulations," the New Jersey governor said.
Christie said Iowa and New Hampshire, not national polls, matter.
The GOP front-runner will appear on four talk shows this week.
Trump called them "both solid & good guys" in a tweet Friday.
Christie ripped Obama for not being supportive of police.
The Democratic presidential candidate called Graham's jokes "totally nonsense."
CNBC took center stage during and after the debate.
Paul is the most friendly to state laws; Christie vows to enforce federal policy.
“We’ve never had a reality TV star run for president before,” Christie said.
A representative for the governor said he was not kicked out of the car.
Christie says White House run is dedicated to justice for everyday Americans.
Trump edges out Carson by 1 percentage point in the Keystone State.
“I’ve never had trouble making an impression,” Christie said.
Christie added that Carson is a “good, decent, and honest man.”
“I don’t see it as a big blow at all, and I don’t see it as a demotion,” Christie said.
The Fox News poll is likely to be the last to determine the makeup of the next GOP debate.
Christie said GOP candidates are wasting time by arguing about debates.
On Thursday, Christie said the GOP debate "moderators just didn't do their jobs."
The company reached a settlement with DOJ officials that did not involve jail time.
Two political outsiders are atop The Hill’s Republican presidential rankings.
The Republican presidential candidate was reportedly asked to leave Amtrak's quiet car.
“Everything’s had to be dragged out of her," he said.
Christie is supported by just 5 percent of New Jersey Republican voters.
Christie calls for raising the retirement age, while Sanders wants to expand payroll taxes.