Gun control measures expected to win in four U.S. states

By Joseph Ax NEW YORK (Reuters) - Gun control-related ballot measures in four states are expected to pass on Tuesday, opinion polls showed, after gun safety advocates poured a massive amount of money into backing the initiatives. In Maine and Nevada, residents are voting on whether to mandate universal background checks for firearm sales, including private handgun transactions. Voters in Washington state will consider allowing judges to bar dangerous people, such as accused domestic abusers, fro