For former Massachusetts Gov. Mitt Romney, who’s riding the wave of three wins in a week, Super Tuesday provides an opportunity to break away from his rivals in the Republican presidential race.

“After weeks of ‘must-wins,’ Super Tuesday actually earns that description,” said GOP strategist Doug Heye, a former communications director for the Republican National Committee.

In all, 419 delegates are up for grabs when 10 states hold primaries and caucuses — more than all the contests to date combined, and more than a third of the 1,144 delegates needed to clinch the nomination.

Georgia has the most delegates up for grabs on Tuesday but Ohio, because of its status as a crucial battleground state in the general election, is getting the most traffic on the ground and on the airwaves from Romney and his chief rival, former Sen. Rick Santorum.

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