Do Muslim Extremists Control 80% of American Mosques?

Personally, I think this figure is way too large. I'd guess more like 40%. But Yehudit Barsky, an expert on terrorism at the American Jewish Committee, seems to believe that the 80% figure is (unfortunately) very accurate.

You can read about why he feels this way and also learn why he feels this way by checking out this summary story at Little Green Footballs.

P.S. I hope he's wrong. But I don't think I'll lay down any bets on it.