WASHINGTON — Former President Donald Trump said Thursday night that if he loses the election in November to Vice President Kamala Harris, Jewish voters “would really have a lot to do with that.” As the first anniversary of Hamas’ Oct. 7 attack on Israel nears and the war in Gaza continues, the GOP presidential nominee spoke at back-to-back events in Washington, D.C., on Thursday, where he promised Jewish Americans that with their vote, he would be their protector, defender and “the best friend Jewish Americans have ever had in the White House.” He and Harris, the Democratic candidate, are vyin…