ann ella ▁was ▁a ▁historical ▁leader ▁of ▁the ▁Italian ▁Rad ical s . ▁He ▁announced ▁his ▁intention ▁to ▁run ▁for ▁the ▁party ▁leadership ▁on ▁ 2 1 ▁July , ▁but ▁this ▁was ▁refused ▁by ▁the ▁Pres iden cy ▁Office . ▁Despite ▁this , ▁P ann ella ▁kept ▁on ▁campaign ing ▁for ▁his ▁candid acy ▁and ▁received ▁support ▁from ▁Minister ▁of ▁International ▁Com merce ▁and ▁fellow ▁Rad ical ▁Emma ▁Bon ino , ▁who ▁offered ▁herself ▁to ▁campaign ▁as ▁potential ▁deput y ▁leader . ▁ ▁Antonio ▁Di ▁Pietro ▁On ▁the ▁night ▁of ▁ 3 0 ▁July , ▁a ▁few ▁minutes ▁sh y ▁of ▁the ▁dead line , ▁inc umb ent ▁Minister ▁of ▁In frastr uct ures ▁and ▁Italy ▁of ▁Val ues ▁party ▁leader ▁Antonio ▁Di ▁Pietro ▁was ▁officially ▁un ve iled ▁as ▁entering ▁the ▁race . ▁His ▁candid acy ▁was ▁however ▁refused ▁due ▁to ▁his ▁commit ments ▁to ▁Italy ▁of ▁Val ues . ▁ ▁Fur io ▁Col om bo ▁Fur io ▁Col om bo ▁was ▁an ▁elected ▁Senator ▁for ▁Democr ats ▁of ▁the ▁Left , ▁and ▁former ▁editor - in - law ▁for ▁left - wing ▁newspaper ▁L ' Un ità . ▁He ▁announced ▁his ▁candid acy ▁on ▁ 1 5 ▁July ▁with ▁an ▁article ▁published ▁on ▁L ' Un ità ▁itself . ▁His ▁candid acy ▁was ▁initially ▁made ▁into ▁hi atus ▁by ▁the ▁Organ izing ▁Committee ▁due ▁to ▁his ▁failure ▁in ▁present ing ▁the ▁original ▁copy ▁of ▁many ▁of ▁the ▁requested ▁ 2 , 0 0 0 ▁sign atures . ▁Col om bo ▁then