Schilling campaigned for President George W. Bush in 2004, while certain members of the ownership of the Red Sox campaigned for the challenger, Senator John F. Schilling said he was encouraged to run for Kerry's seat in the U.S. Senate in 2008 as a Republican (although he declined to say who had encouraged him) according to the Boston Herald. However, Schilling was quoted in The Boston Globe as sa
ying that he intended to pitch in 2008, which would preclude a Senate run
He was called to Capitol Hill to testify about steroid use in March 2005, not as a suspected user but rather as a vocal opponent. He has claimed that Jose Canseco's "statistics should be erased" and that unless he can refute allegations that he used performance-enhancing drugs, Roger Clemens should be stripped of the four Cy Young Awards he has won since 1997. On January 29, 2007, Schilling announced in an interview that he would support Sen. John McCain (R) in the 2008 presidential election. He further criticized Sen. Hillary Clinton (D) for her comments criticizing the war in Iraq.Schilling also turned up on the campaign trail several times stumping for McCain. Curt Schilling was mentioned as a possible candidate for U.S. Senate in the special election in Massachusetts for the seat left vacant by Senator Ted Kennedy. However, he ruled out a run during his September 24, 2009, appearance on Dennis and Callahan, a popular Boston sports radio talk show. In 2009, Schilling endorsed Scott Brown for Senate. During the campaign, Martha Coakley, the Democratic candidate, referred to Schilling as a Yankee fan. Coakley was ridiculed for the comment; critics said that she was out of touch with the Boston community. Schilling joked about the incident: "I've been called a lot of things ... But never, and I mean never, could anyone ever make the mistake of calling me a Yankee fan. Well, check that, if you didn't know what the hell is going on in your own state, maybe you could." In a news interview on January 18, 2010, Schilling was asked about his own political ambitions. While he didn't rule out a future run for public office, he said that after his family had spent so much time and energy supporting his baseball career, it was time to focus more time at home.
