UPDATE 3-U.S. labor board overturns Obama-era 'joint employment' ruling
December 14, 2017 at 20:48 PM EST
Dec 14 (Reuters) - A U.S. labor board on Thursday overturned an Obama-era ruling that had made it easier for unions and workers to hold companies accountable for practices of contractors and franchisees, a decision welcomed by business groups that could affect a major case against McDonald's Corp .