Several candidates sought to become the party 's 2008 presidential nominee . Ron Paul , who had been the party 's 1988 nominee and was seeking the 2008 Presidential nomination of the Republican Party , was mentioned as a possible nominee as well , but he officially denied any intent to run under a third-party banner . On December 12 , 2007 , the Party adopted a resolution requesting Paul to run on the Libertarian ticket if he did not win the Republican Party nomination . On March 25 , 2008 , Mike Gravel changed from the Democratic Party to the Libertarian Party . On May 12 , 2008 , ten days before the 2008 Libertarian National Convention , Bob Barr , a former employee for then CIA Director George W. Bush and later a Republican U.S. Congressman , announced that he would seek the nomination
2008 Libertarian National Convention
2008 Libertarian National Convention
History of the Libertarian Party (United States)