BURBANK, Calif. - Arnold Schwarzenegger (news) refuses to terminate rumors of a run for governor while promoting his latest movie, joking that: "You haven't seen special effects like this since the California state budget." Schwarzenegger's advisers have said he will decide whether to run after the July 2 release of his movie and only if it becomes clear that an effort under way to recall Gov. Gray Davis (news - web sites) will qualify for the ballot. If voters decide to oust Davis, they would also have to choose a successor. Schwarzenegger, taping "The Tonight Show with Jay Leno (news...