It is her policy that should worry us most. The combination of McCain's recklessness, Palin's proclivities and neoconservative belligerence could plunge a McCain presidency into an early confrontation with nuclear-armed Russia.

Palin generated alarmed headlines when she casually said America could go to war with Russia to defend the Republic of Georgia.

GIBSON: And under the NATO treaty, wouldn't we then have to go to war if Russia...