The United States is, once again, on the precipice of entering another war in the Middle East. After months of productive negotiations between the Trump administration and the Iranian government to reach a new nuclear deal, the talks were broken off by a series of...

As the United States edges closer to another military entanglement—this time over the pretense of Iran’s nuclear program—it’s worth revisiting the controversial but deeply compelling argument made by the late Kenneth Waltz in his 2012 Foreign Affairs article, Why Iran...