if untreated one drop of sarin can kill the average person in a matter of a few minutes. the senior u.s. official tells fox news that the come pone nepts of this come pone nepts of the gas are mixed and its shelf life is about 60-days. during that 60-days the military could either released the gas or destroy it entirely. today the defense secretary leon panetta echoed a warning from president obama that if syria uses chemical weapons on its own people there will be consequences. jay there is no question there is no question that we remain very concerned, very concerned that as the opposition advances in particular on damascus that the raw the regime may consider the use of chemical weapons. the whole world is watching. you heard secretary panetta mention do damascus. that s the site of some of the