OPINION: The war with Iran will last longer than President Trump anticipated. If politics compel him to withdraw early, then he will do grave damage to our liberty and economy. The attack was justified, necessary and legal. From 2015, when President Obama negotiated the Joint Comprehensive Plan of Action, until 2018, when Mr. Trump withdrew U.S. participation, Iran apparently enriched uranium to obtain nuclear weapons. That violated the Joint Comprehensive Plan of Action and Iran’s obligations