For decades, one of the most reliable pillars of pro-Israel sentiment in the United States was not just Jews but conservative Christians. That support had a theological motor: Israel mattered not just as an ally on a Cold War map, but as a central actor on the map of the End Times. Put simply, Christians needed Jews to return to the homeland of Israel to usher in the second coming of Christ. But now, that theological motor is sputtering… Young evangelicals are less tethered to elaborate prophetic systems… The consequence is subtle but profound: Support for Israel increasingly has to...