Former Senator Rick Santorum of Pennsylvania began a campaign for the 2012 Republican Party nomination for president of the United States in April 2011. He had been preparing for a run since shortly after the 2008 presidential election.

Santorum lagged in the polls for all of 2011 until he surged in the week before the Iowa caucuses, propelling him to a narrow victory over Mitt Romney in the first contest of the presidential primaries. Santorum's presidential hopes received another boost when he surprisingly swept all three votes held on February 7, 2012, in Minnesota, Missouri, and Colorado. On April 10, 2012, in Gettysburg, Pennsylvania, Santorum announced the suspension of his campaign.

Santorum stopped short of a full-fledged candidacy before the beginning of 2011. Prior to that, he had indicated that he was merely considering running for president.

Santorum filed for an exploratory committee with Federal Elections Commission, and announced the organization on the Fox News program On the Record w/ Greta Van Susteren on April 13, 2011. He formally announced his run for the Republican presidential nomination on ABC's Good Morning America on Monday, June 6, 2011.

Richard John "Rick" Santorum (born May 10, 1958) is an American author, attorney, and Republican Party politician. He served as a United States Senator representing Pennsylvania from 1995 to 2007, and was a candidate for the 2012 Republican Party presidential nomination.

Born in Virginia, Santorum was raised primarily in Butler, Pennsylvania. He obtained an undergraduate degree from Pennsylvania State University, an M.B.A. from the University of Pittsburgh, and a J.D. from the Dickinson School of Law. Santorum worked as an attorney at K&L Gates where he met Karen Garver. They married in 1990, and have seven children; an eighth child died shortly after birth. Santorum was elected to the U.S. House of Representatives on behalf of Pennsylvania's 18th congressional district in 1990, becoming a member of a group dubbed the "Gang of Seven".

Santorum was elected as a United States Senator for Pennsylvania in 1994. He served two terms until losing his re-election bid in 2006. Santorum holds socially conservative positions, and is particularly known for his opposition to same-sex marriage and birth control. While serving as a senator, Santorum was the author of the National Weather Service Duties Act of 2005 and the Santorum Amendment. In 2005, Santorum introduced the Workplace Religious Freedom Act along with Senator John Kerry.

Willard Mitt Romney (born March 12, 1947) is an American businessman and the presumptive nominee of the Republican Party for President of the United States in the 2012 election. He was the 70th Governor of Massachusetts (2003–07).

The son of Lenore and George W. Romney (Governor of Michigan, 1963–69), he was raised in Bloomfield Hills, Michigan. In 1966, after one year at Stanford University, he left the United States to spend thirty months in France as a Mormon missionary. In 1969, he married Ann Davies, and the couple had five children together. In 1971, he earned a Bachelor of Arts degree in English from Brigham Young University and, in 1975, a joint Juris Doctor and Master of Business Administration from Harvard University as a Baker Scholar. He entered the management consulting industry, which in 1977, led to a position at Bain & Company. Later serving as Chief Executive Officer, he helped bring the company out of financial crisis. In 1984, he co-founded the spin-off Bain Capital, a private equity investment firm that became highly profitable and one of the largest such firms in the nation. His net worth is estimated at $190–250 million, wealth that has helped fund his political campaigns. Active in The Church of Jesus Christ of Latter-day Saints, he served as Ward Bishop and later Stake President in his area near Boston. He ran as the Republican candidate in the 1994 U.S. Senate election in Massachusetts, losing to long-time incumbent Ted Kennedy. In 1999, he was hired as President and CEO of the Salt Lake Organizing Committee for the 2002 Winter Olympics and Paralympics; and he helped turn the fiscally troubled games into a success.

Barack Hussein Obama II (ⁱ/bəˈrɑːk huːˈseɪn oʊˈbɑːmə/; born August 4, 1961) is the 44th and current President of the United States. He is the first African American to hold the office. In January 2005, Obama was sworn in as a U.S. Senator in the state of Illinois. He would hold this office until November 2008, when he resigned following his victory in the 2008 presidential election.

Born in Honolulu, Hawaii, Obama is a graduate of Columbia University and Harvard Law School, where he was the president of the Harvard Law Review. He was a community organizer in Chicago before earning his law degree. He worked as a civil rights attorney in Chicago and taught constitutional law at the University of Chicago Law School from 1992 to 2004. He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004.

Following an unsuccessful bid against the Democratic incumbent for a seat in the United States House of Representatives in 2000, Obama ran for the United States Senate in 2004. Several events brought him to national attention during the campaign, including his victory in the March 2004 Illinois Democratic primary for the Senate election and his keynote address at the Democratic National Convention in July 2004. He won election to the U.S. Senate in Illinois in November 2004. His presidential campaign began in February 2007, and after a close campaign in the 2008 Democratic Party presidential primaries against Hillary Rodham Clinton, he won his party's nomination. In the 2008 presidential election, he defeated Republican nominee John McCain, and was inaugurated as president on January 20, 2009. Nine months later, Obama was named the 2009 Nobel Peace Prize laureate. In April 2011, he announced that he would be running for re-election in 2012.

George Galloway (born 16 August 1954) is a British politician, author, journalist, and broadcaster, and the Respect Member of Parliament (MP) for Bradford West. He was previously an MP for the Labour Party, for Glasgow Hillhead and then its successor constituency Glasgow Kelvin from 1987 until 2005. He was expelled from the Labour Party in October 2003 because of his strident public opposition to the Iraq War. He subsequently became a founding member of the left-wing Respect Party, and was elected as the MP for Bethnal Green and Bow in 2005. In 2010, Galloway unsuccessfully contested the seat of Poplar and Limehouse, and in 2011 he unsuccessfully contested the Glasgow list for the Scottish Parliament, before being elected as an MP in the Bradford West by-election, 2012.

Galloway is well known for his campaigns in support of the Palestinians in the Israeli–Palestinian conflict. In the late-1980s Hansard records him delivering a ferocious assault on the Ba'ath regime, and Galloway opposed Saddam's regime until the United States-led Gulf War in 1991. Galloway is known for a visit to Iraq where he met Saddam Hussein, and delivered a speech, which ended in English with the statement "Sir, I salute your courage, your strength, your indefatigability." He has always stated that he was addressing the Iraqi people in the speech. Galloway testified to the United States Senate in 2005 over alleged illicit payments from the United Nations' Oil for Food Programme.