Rick Santorum
Santorum served in the House of Representatives from 1991 to 1995.  With the 1994 elections that elected many Republicans, he was elected to the United States Senate.  He served in the Senate for two terms, from 1995 to 2007.  In the Senate, Santorum was known for having very conservative views about abortion and gay marriage.  Santorum lost in the 2006 election for a third term as a Senator to State Treasurer Bob Casey, Jr and C. Richard Semple II.  After being in the Senate, he worked in a think tank and for Fox News.