Been discussed, but I have serious doubts that even a large plurality of them believe that this will bring about some culmination of scripture. The simpler explanation is that the conflict is viewed as historical colonialism in miniature, and, having no skin in the game in this particular instance, conservatives naturally defend Israel, as it is a parallel defense of racialized Hierarchy that defines their worldview. (Also, relatedly, in the postwar period, Jews are (not without justification) seen as victims of recent history, and because support of them doesn't question the systems of racialized Hierarchy or Inequality at large, it's easy for libs and moderates to have come to a pro-Israeli position.)