Richard John Santorum (born May 10, 1958) is an American attorney, author, and politician. A member of the Republican Party, he served as a United States Senator from Pennsylvania from 1995 to 2007 and was the Senate's third-ranking Republican from 2001 to 2007. He ran as a candidate for the 2012 Republican Party presidential nomination, finishing second to Mitt Romney.
Santorum was elected as a United States Senator from Pennsylvania in 1994. He served two terms until losing his reelection bid in 2006. A devout, practicing Catholic, Santorum is a social conservative who opposes same-sex marriage and artificial birth control. While serving as a senator, Santorum was the author of what came to be known as the Santorum Amendment, which promoted the teaching of intelligent design. In 2005, Santorum introduced the Workplace Religious Freedom Act along with Senator John Kerry.
In the years following his departure from the Senate, Santorum worked as a consultant, private-practice lawyer, and news contributor. On June 6, 2011, Santorum announced his run for the Republican nomination in the 2012 U.S. presidential election. Upon announcing his campaign suspension on April 10, 2012, he had won 11 primaries and caucuses and received nearly 4 million votes, making him the runner-up to eventual nominee Mitt Romney. Santorum officially endorsed Romney on May 7, 2012. On May 27, 2015, Santorum announced his candidacy for the 2016 presidential election. He ended his campaign on February 3, 2016. In January 2017, he became a CNN political commentator.