Originally Posted by
pittmatj
Chicago because it is the largest city in the Midwest. If our main objective is to re-unite America, we are all going to have to meet somewhere. East and West must link up in the Midwest. It may be 10 years post-apocalypse before we gather enough supplies and organize a movement to Chicago, but it will be necessary eventually.

As much as I love Chicago, you would want to pick a location with a more forgiving climate. That is, presupposing an apocalypse would surely dismantle a lot of the luxuries most are use to.