President Joe Biden and his advisers bear significant responsibility for Iran’s massive Saturday attack on Israel, consisting of more than 300 drones and ballistic or cruise missiles. Before, during, and after Hamas’s barbaric Oct. 7 assault on the Jewish state, his administration refused to acknowledge Tehran’s “ring of fire” strategy, conducted through terrorists such as Hamas, the Houthis, Hezbollah, and Shia militias in Iraq and Syria. The White House signaled both obliviousness and weakness by not recognizing that today’s Middle East conflict is not Palestinians or Arabs against Israel, but an Iranian war against “the little Satan.” Instead, Biden saw...