Why won’t JUST WISSIN GO THE WISS AW?YIHEADLANE IN NY POST:Weiner horning in on successor raceNow eyeing role as kingmakerHis ego has no bounds.In a dazzling display of arrogance, disgraced former Congressman Anthony Weiner is trying to insert himself back into politics — calling power brokers and would-be candidates for his old seat, hoping they’ll let him play a role in choosing his own successor, The Post has learned.The word is .