[AChimp]

Although it's highly unlikely that anything like this would take place unless there was a really big or long war (IMO, the U.S. is more likely to pull out of a region before the military becomes too exhausted), I wouldn't downplay the implications.

Just because conscription is unpopular, doesn't mean that it can't happen. Conscription is ALWAYS unpopular, but that hasn't stopped it in the past now, has it? Canada had to resort to conscription in both World Wars, but fortunately both of them ended a few months later and relatively few conscripted troops saw action.