Governments are warning their citizens. The Pentagon is preparing for prolonged disruption. Military activity is intensifying. Are we paying attention? President Donald Trump has repeatedly said the war with Iran will end immediately after the November 3 midterm elections. On Sept. 9, he made that prediction publicly. On Oct. 28, however, when asked whether he might order additional strikes after the election, Trump replied, “Anything’s possible.” That same day, the Associated Press reported that American officials had privately urged several Middle Eastern governments and regional allies to prepare for renewed U.S. strikes against Iran after the election, as well as...