South Carolina Voters Head To Polls During State's Primary

COLUMBIA, SC - JANUARY 21: A South Carolina resident votes at the Shandon Fire Station January 21, 2012 in Columbia, South Carolina. South Carolina holds its pivotal presidential primary today. (Photo by Win McNamee/Getty Images)

South Carolina Voters Head To Polls During State's Primary

COLUMBIA, SC - JANUARY 21: A voting regulations sign is displayed at the Shandon Fire Station January 21, 2012 in Columbia, South Carolina. South Carolina holds its pivotal presidential primary today. (Photo by Win McNamee/Getty Images)

South Carolina Voters Head To Polls During State's Primary

COLUMBIA, SC - JANUARY 21: A South Carolina resident votes at the Shandon Fire Station January 21, 2012 in Columbia, South Carolina. South Carolina holds its pivotal presidential primary today. (Photo by Win McNamee/Getty Images)

South Carolina Voters Head To Polls During State's Primary

COLUMBIA, SC - JANUARY 21: A South Carolina resident voter enters VFW Post 641 to cast his ballot January 21, 2012 in Columbia, South Carolina. South Carolina holds its pivotal presidential primary today. (Photo by Win McNamee/Getty Images)

South Carolina Voters Head To Polls During State's Primary

(Photo by Win McNamee/Getty Images)

South Carolina Voters Head To Polls During State's Primary

COLUMBIA, SC - JANUARY 21: A South Carolina resident votes at the Shandon Fire Station January 21, 2012 in Columbia, South Carolina. South Carolina holds its pivotal presidential primary today. (Photo by Win McNamee/Getty Images)

South Carolina Voters Head To Polls During State's Primary

CHARLESTON, SC - JANUARY 21: Election workers help a Republican primary voter leave a polling station on January 21, 2012 in Charleston, South Carolina. Voters were to decide between four major Republican hopefulls in the key conservative state. (Photo by John Moore/Getty Images)

South Carolina Voters Head To Polls During State's Primary

CHARLESTON, SC - JANUARY 21: Republican primary voters sign in before casting their ballots on January 21, 2012 in Charleston, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by John Moore/Getty Images)

South Carolina Voters Head To Polls During State's Primary

CHARLESTON, SC - JANUARY 21: Republican primary voters show identifications and sign in before casting their votes on January 21, 2012 in Charleston, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by John Moore/Getty Images)

South Carolina Voters Head To Polls During State's Primary

CHARLESTON, SC - JANUARY 21: Little Bit, a one-year-old Havanese, enters a polling station as voters to the polls on January 21, 2012 in Charleston, South Carolina. Republican primary voters were to decide between four major Republican hopefulls in the key conservative state. (Photo by John Moore/Getty Images)

South Carolina Voters Head To Polls During State's Primary

CHARLESTON, SC - JANUARY 21: Signs adorn the doorway to a polling for the Republican primary election on January 21, 2012 in Charleston, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by John Moore/Getty Images)

South Carolina Voters Head To Polls During State's Primary

CHARLESTON, SC - JANUARY 21: Republican primary voters cast their ballots on January 21, 2012 in Charleston, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by John Moore/Getty Images)

Republican primary voters register prior

Republican primary voters register prior to cast their vote in a pooling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four Presidential hopefuls this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Republican primary voters cast their vot

Republican primary voters cast their vote electronically in a pooling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four Presidential hopefuls in this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Republican primary voters register prior

Republican primary voters register prior to cast their vote in a pooling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four Presidential hopefuls in this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

South Carolina Voters Head To Polls During State's Primary

GALIVANTS FERRY, SC - JANUARY 21: Wallace T. Gerrald, of Galivants Ferry, South Carolina, votes in the South Carolina primary at the Pee Dee Farm General Store on January 21, 2012 in Galivants Ferry, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by Andrew Burton/Getty Images)

South Carolina Voters Head To Polls During State's Primary

GALIVANTS FERRY, SC - JANUARY 21: James Gerrald, left, from Galivants Ferry, South Carolina, signs in to vote in the South Carolina primary at the Pee Dee Farm General Store on January 21, 2012 in Galivants Ferry, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by Andrew Burton/Getty Images)

South Carolina Voters Head To Polls During State's Primary

GALIVANTS FERRY, SC - JANUARY 21: Brian Carroll, of Aynor, South Carolina, votes in the South Carolina primary at the Pee Dee Farm General Store on January 21, 2012 in Galivants Ferry, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by Andrew Burton/Getty Images)

South Carolina Voters Head To Polls During State's Primary

GALIVANTS FERRY, SC - JANUARY 21: Wallace T. Gerrald, of Galivants Ferry, South Carolina, looks through his wallet for his drivers license to vote in the South Carolina primary at the Pee Dee Farm General Store on January 21, 2012 in Galivants Ferry, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by Andrew Burton/Getty Images)

South Carolina Voters Head To Polls During State's Primary

GALIVANTS FERRY, SC - JANUARY 21: A portrait of Confederate General Wade Hampton hangs above a voting-regulation sign in the Pee Dee Farm General Store on January 21, 2012 in Galivants Ferry, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by Andrew Burton/Getty Images)

South Carolina Voters Head To Polls During State's Primary

GALIVANTS FERRY, SC - JANUARY 21: Anna Carroll, of Aynor, South Carolina, votes in the primary at the Pee Dee Farm General Store on January 21, 2012 in Galivants Ferry, South Carolina. Voters are deciding between four major candidates in the key conservative state. (Photo by Andrew Burton/Getty Images)

A Republican primary voter casts his bal

A Republican primary voter casts his ballot electronically in a pooling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls in this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Republican primary voters register prior

Republican primary voters register prior to cast their ballots in a pooling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls in this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

South Carolina Voters Head To Polls During State's Primary

LITTLE MOUNTAIN, SC - JANUARY 21: Phil Martinez stands at a voting booth at the old Wheeland school house to vote in today?s South Carolina primary, on January 21, 2012 in Little Mountain, South Carolina. Voters decided between four major candidates in the key conservative state. (Photo by Mark Wilson/Getty Images)

A child watches as his grandfather elect

A child watches as his grandfather electronically casts his Republican Primary ballot in a pooling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls in this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

A Republican primary voter enters a poll

A Republican primary voter enters a polling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls during this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

Warning posters are glued to a door of a

Warning posters are glued to a door of a Republican Primary polling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls during this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

A Republican primary voter casts her bal

A Republican primary voter casts her ballot in a polling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls during this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

A Republican primary voter registers pri

A Republican primary voter registers prior to casting her ballot in a polling station in Columbia, South Carolina, January 21, 2012. South Carolina voters must choose their preferred candidate between four presidential hopefuls during this highly competitive Republican primary. AFP PHOTO/Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/Getty Images)

South Carolina Voters Head To Polls During State's Primary

File photo of someone voting. (Credit: Andrew Burton/Getty Images)