The anti-Gingrich barrage took its toll. Rick Perry’s wife can’t save him. And Rick Santorum proves the ground game still matters. Judith Grey on the ads shaping Iowa’s outcome. Plus, Peter Beinart on why Mitt doesn't need to win Iowa.
If you don’t live in Iowa nor have a penchant for visiting the websites of Republican political candidates on a regular basis, here’s a quick guide to some of the ads that have been launched in a last-chance drive to influence Tuesday’s vote: