Super Tuesday is here! - Mar 6th, 2012 - National

It is a big day for the Republican presidential candidates. Ten states are holding primaries or caucuses. a total of 419 delegates are at stake today, out of 1,144 required to clinch the GOP nomination.
Mitt Romney and Rick Santorum are locked in a tight battle for Ohio. And Newt Gingrich hopes to win big in Georgia.