Non-candidate Fred Thompson and filmmaker Michael Moore are having a bit of a back-and-forth. In a National Review article, Thompson criticized Moore's trip to Cuba with a group of 9/11 emergency responders; according to reports, Moore's new documentary Sicko will depict Cuba's health care system as superior to that of the US. Moore fired back, challenging Thompson to a debate on health care and tweaking the actor, er, Senator, for his fondness for "Montecristos from Havana." Here's Thompson, stogie in hand, delivering the brush-off.

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