But honestly, would it make as much sense to you if we were invading Iran and, instead of having lost 1000 soldiers, instead were losing 10,000 soldiers? 50,000?
Iraq was an easier target. On the contrary, Iran could be another Vietnam IMO. And I dunno if it's our job or our mission to go around attacking every country that is trying to obtain nukes or WMD's, because we can't police the world, especially when some of our allies are unwilling to stand up and do something about it.