Army Generals Fret: Are Americans too Fat to Fight?

The biggest threat to American security may not be scheming terrorists or secretive cyber attacks--it may be the growing girth of the average American youth. Retired army generals John Shalikashvili and Hugh Shelton, who have both served as chairman of the Joint Chiefs of Staff, argue that the obesity epidemic is rendering too many Americans unfit for duty. As the generals write in a Washington Post op-ed: