http://www.youtube.com/watch?v=EpGH02DtIws
And a hint of where he may have gotten it:
http://www.freerepublic.com/focus/news/2014878/posts
I’m not quite sure but he seems to think there were 57
with 1 left to go, except Alaska and Hawaii were his staff wouldn’t let him go. so that seems to say he thinks there are 60 States.