On September 12 , Paul attended the Tea Party Republican Presidential debate broadcast by CNN . During the event , Paul received both unexpected " cheers " and " boos " for his responses to the questions posed by the debate moderators and fellow debate participants . When Rick Santorum questioned Paul about his position regarding the motivation behind the September 11 attacks , some of the audience jeered his response that U.S. foreign occupation was the " real motivation behind the September 11 attacks and the vast majority of other instances of suicide terrorism "
September 11 attacks
September 11 attacks
Ron Paul 2012 presidential campaign