rupted ▁conserv ative ▁comment ator ▁Pat ▁Buch an an ' s ▁announ cement ▁of ▁his ▁candid acy ▁for ▁the ▁Republican ▁president ial ▁nom ination . ▁Two ▁minutes ▁into ▁Buch an an ' s ▁speech , ▁broadcast ▁on ▁the ▁C able - S at ellite ▁Public ▁Affairs ▁Network ▁( C - SP AN ), ▁Pet rel is ▁started ▁sc ream ing , ▁" Act ▁up , ▁fight ▁back , ▁fight ▁A ID S !" ▁Off ▁camera , ▁senior ▁Buch an an ▁campaign ▁officials ▁tack led ▁Pet rel is ▁and ▁drag ged ▁him ▁from ▁the ▁hall , ▁while ▁Buch an an ▁ad vised , ▁" Be ▁gentle . ▁Be ▁gentle ▁with ▁him ." ▁Stand ing ▁over ▁Pet rel is ▁outside , ▁the ▁campaign ▁officials ▁were ▁heard ▁to ▁threaten , ▁" Every ▁time ▁you ▁come ▁here , ▁this ▁is ▁what ▁you ' re ▁going ▁to ▁get . ▁Tell ▁your ▁friends ." ▁Pet rel is ▁file d ▁an ▁assault ▁compla int ▁with ▁the ▁New ▁Ham pshire ▁State ▁Police ▁against ▁the ▁two ▁campaign ▁officials , ▁Paul ▁N agy ▁and ▁Chris ▁T rem bl ay . ▁ ▁Over ▁the ▁coming ▁months , ▁Pet rel is ▁led ▁a ▁small ▁group ▁of ▁activ ists ▁around ▁the ▁country , ▁following ▁the ▁candidates ▁to ▁key ▁primary ▁states ▁and ▁successfully ▁inserting ▁the ▁project ' s ▁issues ▁into ▁the ▁national ▁debate . ▁The ▁project ▁distributed ▁cond oms ▁at ▁campaign ▁ven ues ▁and ▁offices , ▁produced ▁a ▁thirty - second ▁television ▁ad , ▁acc using ▁the ▁candidates ▁of ▁ign oring ▁A ID S , ▁that ▁spark