What's in it for the maverick?

Ramesh Ponnuru notes on the Corner, that John McCain has endorsed Ken Blackwell for Ohio governor in 2006. Blackwell's site mentions a list of other politicos who've also endorsed him, including Zell Miller and Steve Forbes.

Blackwell was instrumental in Bush's campaign here in the Buckeye State, and it's a sure bet McCain is looking to secure his support for 2008.