Gov. Chris Christie threw a jab at Sen. Marco RubioMarco Antonio RubioSenate GOP to drop documentary series days before election hitting China, Democrats over coronavirus Bipartisan group of senators call on Trump to sanction Russia over Navalny poisoning Trump's new interest in water resources — why now? MORE (Fla.) during Thursday's GOP presidential debate, telling him he "blew it" on a question.

Christie jumped in following a long, detailed discussion on taxes between Sen. Ted CruzRafael (Ted) Edward CruzIn partisan slugfest, can Chip Roy overcome Trump troubles? Cruz: Hunter Biden attacks don't move 'a single voter' GOP clears key hurdle on Barrett's Supreme Court nomination, setting up Monday confirmation MORE (Texas) and Rubio, saying they had ignored the actual question, which was on entitlement programs.

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"I'd like to interrupt this debate on the floor of the Senate to actually answer the question you asked, which was on entitlements," Christie said.

Rubio interrupted and said he would now answer the question, but Christie cut him off.

"You already had your chance, you blew it," Christie said.

While the crowd booed Christie's response, Rubio remained silent and Christie kept speaking.

"The reason why no one wants to answer entitlements up here is because it's hard. I'm the only one on this stage who, back in April, put forward a detailed entitlement reform plan that will save over $1 trillion, save Medicare, save social security, and avoid what Hillary Rodham Clinton will do to you," Christie said.

"She will come in and raise Social Security taxes. Bernie SandersBernie SandersIntercept bureau chief says congressional progressives looking to become stronger force in 2021 Obama book excerpt: 'Hard to deny my overconfidence' during early health care discussions Americans have a choice: Socialized medicine or health care freedom MORE has already said it, and she's just one or two more poll drops down from even moving further left than she's moved already to get to the left of Bernie on this."