Email By Dean Bilton Updated June 27, 2018 10:52:00 Photo: Daniel Arzani is the future of the Socceroos. He must be nurtured and protected. (AP: Efrem Lukatsky) Related Story: Socceroos bow out of World Cup after crumbling in 2-0 defeat against Peru Related Story: Van Marwijk’s rigid Socceroos plan fell short when something different was needed Map: Australia Another Australian World Cup campaign has come and gone, ending a tumultuous four-year cycle and simultaneously launching a new one.Mile Jedinak described a feeling of “emptiness” after the tournament-ending loss to Peru, and it is a feeling most Socceroos fans will share. Not just for the meek exit in Sochi, but for the overwhelming sense this is a footballing country without a sense of direction.Flashback four years, and despite an identical result — worse, even, as Australia went out without a point that year — the emotions in Australia were quite different.The Socceroos had been soundly beaten by three very strong teams, but there was something tangible behind Australia in Brazil. Ange Postecoglou was vocal in his long-term plans for Australian football, and there were immediate signs of what that philosophy could bring.The rest of that cycle and Ange’s reign has already…