O'Reilly's claim: Bush didn't lie, he acted honestly on faulty intelligence.
That's not 100% true. In the days after 911, which Moore was TRYING to say while getting interrupted, was that Bush went to the intelligence officials and said "Look into Iraq." They said we got no link. He then made them double- and triple-check it. They stuck to their guns.
Eventually he found someone who would say yes.
The point is, before launching a hugely expensive and American life-risking endeavor, he was NOT saying "Are you super-sure these guys pose a threat? We need to be 100% sure." Instead he SOUGHT and seized upon the faulty evidence that was given and pushed us into it.
All OReilly could say was "blah blah blah brutal dictator." Which is obviously bullshit, there are a dozen equally brutal biatches in other nations.
THAT'S why moore was trying to force OReilly to answer the "would you send your children" question, and that's why the big O kept avoiding it. The underlying question was, do the premises of war hold up to scrutiny such that YOU would send your child to risk his/her life? And OReilly's implied answer was no.