Study cautions against strike on Iran's nuclear facilities

A military strike against Iran's nuclear facilities would probably only delay the country's progress toward nuclear-weapons capability, according to a study that concludes that such an attack could backfire by strengthening Tehran's resolve to acquire the bomb.

The analysis by the Washington-based Institute for Science and International Security found that Iran's uranium facilities are too widely dispersed and protected -- and, in some cases, concealed too well — to be effectively destroyed by warpla