ROME, Italy: Italians were in uproar Monday over the decision by President Sergio Mattarella to reject the newly elected populist government in deference to European Union concerns, calling for his resignation or impeachment. This was the first time in the history of the Italian republic that a president had thrown out the proposal for a government from elected parties, and even critics of the populist victors have acknowledged that the Italian people will take the move as a slap to Italian voters and the entire democratic process. The bone of contention, Mattarella said in his rejection speech, was the candidate...