Yglesias counts down the top ten:
These stances are well to the right of where Republican candidates have traditionally positioned themselves. Indeed, even Michele Bachmann has not, to my knowledge, deemed Social Security unconstitutional. The propriety of a federal role in regulating the banking industry has been the subject of bipartisan agreement since the Madison administration. All in all, the book should give political reporters plenty of questions to ask Governor Perry as he introduces himself to a non-Texas constituency.