If it could stop a threat like the one on the Detroit bound flight, is it woth the invasion of privacy by a machine that essentially allows screeners to see your naked body? This story also points out that there are other detection devices that could have spotted the small amount of explosives this man had on him.

One quick aside; have you noticed how libs don't line up to say a broken-up terror threat was really "not a serious threat at all" now that Barack Obama is President?