Israel’s high court ruled that men in the ultra-Orthodox community are subject to conscription on Tuesday. The community, known as the Haredim, is politically powerful, subsidized by the citizenry, and until now had been unaffected by the mass mandatory enlistment. This is a heavily contentious issue as more than 600 Israeli soldiers have been killed and thousands more wounded in Gaza, and the ruling could spell trouble for Prime Minister Benjamin Netanyahu’s fragile ruling coalition. The court’s decree, which was unanimously supported by all nine justices, says “At the height of a difficult...