Instituting direct elections of United Auto Workers’ international officials is leading some members to step up and challenge President Ray Curry to the union’s top role, even from within Solidarity House. Passage last year of the “one member, one vote” system by a referendum vote of the membership was brought on by a years-long corruption scandal, implicating 17 people, including two former UAW presidents. It’s setting up a historic leadership selection process ahead of next year’s critical contract negotiations with the Detroit Three automakers as their transition to electrification increasi…