Super Tuesday: Voters head to the polls

Rick Santorum addresses the crowd at his Super Tuesday rally at Steubenville High School in Steubenville, Ohio.   (Joe Raedle/Getty Images)

Voters fill out their ballots at a polling station set up in Froehlich’s Classic Corner as Ohio heads to the polls.   (Joe Raedle / Getty Images)

A voter enters a polling station to cast a ballot on Super Tuesday. Eleven states are holding primaries with 424 delegates at stake in the contest for the Republican nomination for the presidency.  (Win McNamee / Getty Images)

People dress as foreclosed homes walk into a bank during a protest representing 14 million unemployed Americans and demanding action from Congress and corporations on Wall Street. Concerned citizens formed a three-mile line on Broadway, holding paper to look like pink slips from the Bull at Bowling Green to Union Square on Super Tuesday.  (Timothy A. Clary / AFP / Getty Images)

Republican presidential candidate and former Massachusetts Gov. Mitt Romney addresses the American Israel Policy Affairs Committee’s annual policy conference via a satellite link at the Washington Convention Center in Washington. Romney took time out of campaigning on Super Tuesday to address AIPAC, on of the most prominent organizations lobbying the United States government on behalf of Israel.  (Chip Somodevilla / Getty Images)

Republican presidential candidate and former U.S. Sen. Rick Santorum (R-Pa.) walks off stage after addressing the American Israel Policy Affairs Committee’s annual policy conference at the Washington Convention Center in Washington. Santorum stepped off the campaign trail on Super Tuesday to address AIPAC, one of the most prominent organizations lobbying the United States government on behalf of Israel.  (Chip Somodevilla / Getty Images)

Republican presidential candidate and former Speaker of the House Newt Gingrich addresses the Gwinnett Chamber of Commerce during a campaign stop in Duluth, Ga. Ten states, including Georgia, are holding caucuses and primaries for voters to pick their choices for the Republican presidential nominee.  (Alex Wong / Getty Images)

Amanda McDougald casts her ballot at at the Curb Event Center on the campus of Belmont University on Super Tuesday.  (Christopher Berkey / EPA)

A sign directs voters outside a polling station at Riverside Elementary School. Ohio is an important battleground for the campaign of Republican presidential candidates, with the state carrying 66 delegates to the Republican National Convention.  (Michael Reynolds / EPA)

Mary Hilpertauser puts a sticker on her jacket after she cast her ballot in the Georgia presidential primary at the Avondale Estates City Hall precinct on Super Tuesday in Avondale Estates, Ga. Georgia has the most delegates at stake in the Republican presidential primary as voters in 10 states cast their ballots on Super Tuesday.  (Erik S. Lesser / EPA)

Jeff Shamburger votes on Super Tuesday at a polling station at Riverside Elementary School in Dublin, Ohio.   (Michael Reynolds / EPA)

Karl Wieland casts his ballot in the Vermont primary under the watchful eye of Town Clerk Priscilla Aldrich.   (Herb Wesson / EPA)

A woman enters to cast her ballot in the Georgia presidential primary at the Lockheed Elementary School precinct on Super Tuesday.  (Erik S. Lesser / EPA)