Union workers on strike at the Battery Wharf Hotel are set to vote on a tentative agreement, signaling a potential end to a 79-day strike in Boston's North End. The hotel is part-owned and operated by the Ontario-based Westmont Hospitality Group. According to the union UNITE HERE Local 26, the 11-week strike was prompted in part by rising health care costs and the hotel seeking to "eliminate contract language ensuring the right to a fair schedule, job security, affordable family healthcare, yearly...