Tufts Medical CEO stands tough, says union hurting Tufts

More than once this week, Dr. Michael Wagner has delivered a tough message: We will not be held hostage. His tone was typically calm and measured but his meaning unmistakable. Wagner, the chief executive of Tufts Medical Center, has taken a notably hard-line approach in his hospital’s showdown with the Massachusetts Nurses Association, which this week staged a nurses strike at Tufts, the first such strike in Boston in more than three decades.