For a long time, much of the political appeal of President Donald Trump has come from his professed opposition to “forever wars.” One of his many explicit statements to this effect dates from his State of the Union address in 2019. He said, “Great nations do not fight endless wars.” If you need a link for that: behold. Given his goal to make America “great again,” this language clearly amounts to a commitment to use his position as commander-in-chief to keep the United States out of endless wars. Yet here we are, with Trump once again the commander-in-chief and with his commitment to war with Iran open-ended. He began the attack on Iran at the end of February and throughout March he has put his renunciation of his earlier view front-and-center. He has used his own proprietary social-media platform, “Truth Social,” to explain to us that “Wars can be fought ‘forever,’ and very successfully, using just these supplies (which are better than other countries fin...