Of course one way to avoid urban warfare in Baghdad is to eliminate Baghdad. With advance notice so that the people could evacuate and/or rise up against Saddam. Either way, no us ground troops required.
The fireball would likely take care of any nasty germs or chemicals stored in the area.
multiple fireballs...
Of course one way to avoid urban warfare in Baghdad is to eliminate Baghdad. That's why we have a nuclear deterrent. If you don't use it, it's not much of a deterrent. Time to break out the big stick.
But why did you leave out Mecca, Medina, Riyad, Damascus, Jakarta, Cairo, etc.???