America’s war with the mullahs of Tehran is into its second month, and it has already changed Donald Trump’s presidency in important ways. As the president considers how to navigate these new dynamics, it’s worth considering the experience of some previous presidents who entered office not expecting to be wartime presidents. Woodrow Wilson ended a four-cycle Republican winning streak by winning the three-way election of 1912. He did...

Two relatives of slain Iranian Revolutionary Guard Corps Maj. Gen. Qasem Soleimani living in Los Angeles were taken into custody by federal agents after Secretary of State Marco Rubio revoked their green cards, officials said. Hamideh Soleimani Afshar, identified as Soleimani’s niece, and her daughter were arrested and are now being held by U.S. Immigration and Customs Enforcement (ICE), according to an announcement Saturday from the State Department....