Some of the most heated political rhetoric televised on Tuesday came not from a speech made at the Democratic National Convention, but from a FOX News studio.

After running into one another outside of the Democratic National Convention in Boston, Michael Moore finally agreed to step into the ring with Bill O'Reilly for the first time since the release of his controversial documentary, "Fahrenheit 9/11."

Left-wing rabble-rouser Moore and right-wing conservative O'Reilly sparred on FOX News' "The O'Reilly Factor" on Tuesday in an unedited interview taped on Monday. During the 12-minute interview, the two debated heated topics including President Bush's motivation for going to war, whether the United States should pull out of Iraq, and how to bring democracy to a dictatorship.

O'Reilly kick-started the interview, telling Moore that many politicians believe Bush was misinformed about whether Iraq had weapons of mass destruction, and that he was not lying. "You want to apologize to the president now or later?" O'Reilly asked.

"Actually," Moore countered, "it's President Bush that needs to apologize to the nation for telling an entire country that there were weapons of mass destruction, that they had evidence of this, and that there was some connection between Saddam Hussein and September 11."

During the interview, O'Reilly referred to Moore as "President Moore" and called him Saddam Hussein's "biggest defender in the media." Each discussion hit a brick wall over issues of semantics. "It's not a lie if you believe it to be true," O'Reilly said.

"Bill, I can't think of a worse thing to do than to lie to a country to take them to war," Moore insisted. "He did not tell the truth."

Moore continuously asked O'Reilly the question he posed to a series of senators in "Fahrenheit 9/11": whether he would sacrifice his own child for the Iraqi city of Fallujah.

"I would sacrifice myself," O'Reilly said.

The question was revisited several times during the interview, and each time, O'Reilly explained that he would send himself, but did not say whether he would send his child.

Concluding a meandering discussion on how to properly introduce democracy to a dictatorship, O'Reilly began to close the discussion, saying he was glad they had the interview, and discovered that they see the world in different ways.

"Right," Moore said. "I would not sacrifice my child to secure Fallujah and ... you would?"

"I would sacrifice myself," O'Reilly said.

"Where can we sign him up?" Moore exclaimed, to which O'Reilly responded, "You'd love to get rid of me."

"No," Moore said softly, extending his hand slightly across the table. "I want you to live. I want you to live."