The War Powers Resolution passed Thursday by the House in an effort to restrict President Trump’s ability to take military action to defend America against attack from Iran is a meaningless political document designed only to embarrass the president. The nonbinding resolution criticizes the president for not “consulting” with Congress and receiving its “authorization” before ordering the killing of Iranian general and terrorist mastermind Qassem Soleimani. The resolution also orders Trump to stop using military force against Iran until he gets congressional approval. Trump acted fully within his constitutional authority when he ordered the drone strike against Soleimani, a mass...