A former businessman and governor, Mitt Romney's 2012 White House bid is his second attempt to win the Oval Office. Romney was born on March 12, 1947, in Detroit. During his tenure as governor of Massachusetts, he reduced a $3 billion deficit and instituted universal health care for residents. He and his wife Ann have five sons. He is a member of the Church of Jesus Christ of Latter-day Saints, also known as the Mormon Church.

Newt Gingrich was born on June 17, 1943, in Harrisburg, Pennyslvania, but later moved to Columbus, Georgia. In 1978 he was elected to Congress and was re-elected 10 times. During his tenure as Speaker of the House he championed the "Contract with America," which detailed Republican efforts to shrink government, promote lower taxes and reform welfare systems. After an ethics scandal, he resigned his seat in Congress in 1999. He is a married father of two adult daughters.

GOP presidential candidate Richard John Santorum is a former U.S. senator from Pennsylvania with a solidly conservative record. He was born May 10, 1958, in Winchester, Virginia. He is popular with grass-roots social conservatives because of his views on abortion, marriage, and gay rights. He is married with seven children.