Here's a running list of some of the sharper elbows thrown at tonight's ABC News debate in Iowa:

Newt Gingrich, responding to Mitt Romney: "Let's be candid. The only reason you didn't become a career politician is because you lost to Teddy Kennedy in 1994."

Romney responded: "We don't need folks who are lifetime Washington people. … We need people from outside Washington, outside K Street."

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Gingrich, responding to Michele Bachmann: "Well, Michele, you know, a lot of what you say just isn't true. Period. I have never - I opposed cap and trade. … I fought against ObamaCare at every step of the way … I think it's important for you -  and this is fair game, and everyone gets to pick fights - it's important for you to be accurate when you say these things. Those are not true."

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Rick Perry, talking to Romney about Obama's health care program: "I'm just saying. You were for individual mandates, my friend."

Romney:  "I tell you what. (Extends hand to Perry.) 10,000 bucks. $10,000 bet."

Perry:  "I'm not in the betting business."

Romney:  "I've got the book. And I wrote the book. And chapter 7 …."

A strange comment coming from Romney who has touted his staunch loyalty to his church. From LDS.org: "The Church of Jesus Christ of Latter-day Saints is opposed to gambling, including lotteries sponsored by governments."

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Perry on fidelity: "If you cheat on your wife, you'll cheat on your business partner, so I think that issue of fidelity is important. It's a characteristic of which people look at individuals, whether it's in their business lives or whether it's in their personal lives. … If you will cheat on your wife, if you will cheat on your spouse, then why wouldn't you cheat on your business partner, or why wouldn't you cheat on anyone for that matter?"

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Bachmann: "If you look at Newt-Romney … they were for cap and trade … the illegal immigration problem … the $700 billion bailout. … Newt-Romney is also with Obama on the issue of the payroll extensions." (Gingrich shrugs)

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The silent treatment: As Romney says he thinks Gingrich probably would admit that he shouldn't have called Palestinians an "invented" people, the former speaker of the House stares at him and shakes his head.

"Maybe not," Romney corrects himself.