1. The margins
Mitt Romney did what he was supposed to do in Arizona, winning by almost 20 points and pocketing all 29 delegates in the winner-take-all primary. That gives him a commanding lead over his nearest rival, Rick Santorum, for the GOP nomination, 145 to 82.
There are two contests today, in Arizona and Michigan, but only Michigan is really up for grabs. That’s because Mitt Romney can count on a large and active Mormon population in Arizona and the support of almost all the Arizona GOP establishment (though that endorsement from Gov.
Updated 1/21/12 at 6:45 p.m.Newt Gingrich stormed to an upset win in the South Carolina primary Saturday night, dealing a sharp setback to Mitt Romney and scrambling the race for the Republican presidential nomination.