After nearly three months of negotiations over the make-up of the next Italian government, the country's two victorious Eurosceptic parties - the far-right Lega (League) and populist Five Star Movement (M5S) -have agreed that their two leaders will not be named to lead the incoming anti-establishment administration but are instead poised to name 54-year-old lawyer Giuseppe Conte as the next prime minister.

Five-Star's head, Luigi Di Maio, and the leader of the League, Matteo Salvini, appear t...