▁do ▁so ▁at ▁the ▁exp ense ▁of ▁the ▁constitu encies ▁that ▁Congress ▁and ▁these ▁Federal ▁b ureau cra cies ▁are ▁supposed ▁to ▁represent . ▁ ▁Iron ▁tri angles ▁versus ▁issue ▁networks ▁ ▁Issue ▁networks ▁are ▁not ▁the ▁same ▁as ▁iron ▁tri angles ▁for ▁several ▁reasons . ▁One ▁of ▁the ▁main ▁differences ▁between ▁iron ▁tri angles ▁and ▁issue ▁networks ▁is ▁that ▁issue ▁networks ▁are ▁generally ▁free - form ing ▁groups ▁of ▁people ▁in ▁the ▁public ▁sector ▁who ▁form ▁a ▁coal ition ▁together , ▁not ▁through ▁a ▁con gression al ▁committee , ▁or ▁a ▁Federal ▁Agency ▁but ▁are ▁bound ▁together ▁to ▁accomplish ▁a ▁task ▁at ▁hand . ▁These ▁groups , ▁most ▁often , ▁once ▁the ▁goal ▁has ▁been ▁accomplished ▁either ▁A , ▁break ▁up ▁and ▁only ▁form ▁if ▁the ▁issue ▁is ▁brought ▁back ▁up , ▁or ▁B , ▁find ▁another ▁issue ▁similar ▁in ▁scope ▁which ▁they ▁want ▁to ▁tack le . ▁Another ▁difference ▁between ▁iron ▁tri angles ▁and ▁Issue ▁networks ▁is ▁that ▁sometimes ▁they ▁can ▁be ▁at ▁ant agon istic ▁with ▁one ▁another . ▁Refer ring ▁back ▁to ▁the ▁paragraph ▁above , ▁if ▁we ▁take ▁an ▁iron ▁triangle ▁issue ▁network ▁who ▁wants ▁to ▁build ▁a ▁pipeline , ▁an ▁issue ▁network ▁can ▁form ▁as ▁a ▁group ▁of ▁citizens ▁who ▁opp ose ▁it . ▁They ▁may ▁opp ose ▁it ▁for ▁various ▁reasons , ▁but ▁what ▁brings ▁them ▁together ▁tempor arily ▁is ▁to ▁not ▁allow ▁it ▁to ▁be ▁built . ▁If ▁the ▁issue ▁network ▁is ▁successful ▁in ▁blocking ▁the ▁foss il ▁fuel ▁pipeline , ▁then ▁the ▁issue ▁network