The Invisible Primary, 12/18

Tracking the GOP race to 2012

Tickets are on sale for Mitt Romney's spring book tour; Mary Pawlenty is fine with Tim Pawlenty referring to her as his "red-hot, smokin' wife"; Palin has been booted from speaking at a hospital fundraiser in Canada, but she'll raise money for a local children's charity instead; Bush strategist Mark McKinnon rates Mitt Romney as the GOP's top 2012 contender; and Rick Santorum criticized Sen. Bob Casey's potential abortion compromise in the Senate health reform bill.