Republicans on the conservative Newsmax network slammed GOP vice presidential nominee J.D. Vance after a video surfaced of him attacking “childless cat ladies.” In a segment on Thursday, Newsmax spoke to two Republican strategists who condemned Vance’s remarks from a 2021 interview with then-Fox News host Tucker Carlson. “We’re effectively run in this country — via the Democrats, via our corporate oligarchs — by a bunch of childless cat ladies who are miserable at their own lives and the choices that they’ve made, and so they want to make the rest of the country miserable too,” Vance said at t…