When a forgotten explosives cache blew up in June on an Israeli site earmarked for a beachfront apartment complex, it left a big crater but caused little other damage because the Supreme Court had prevented any building work from ever starting. The court blocked construction on the site of a former munitions factory over what it saw as shortcomings in an official environmental survey, after petitioners sought a ruling based on a clause that gave Israeli judges power to step in when actions by the government or ministers were deemed unreasonable. The Supreme Court may not find it so easy to a...