Russian troops could be on American soil in minutes if Putin so desired.
1) The U.S. would know more than "minutes" in advance - it's not like they're amassed on some ice floes in the Bering Strait awaiting orders to invade.
2) This still does not qualify Palin. Would any governor of Alaska be qualified to be president as a result of the state's location? Why is she any different from Frank Murkowski in terms of her experience in this regard? What has Palin done to prepare the state to defend against the Russian invasion?