The legal battle over the federal government's recent rule that broadened the definition of an employer in order to expand access to association health plans moved a step forward this week with the Department of Labor urging the U.S. District Court of the District of Columbia to throw out the suit, contending the plaintiffs lack standing. The coalition of 12 Democratic attorneys general, led by New York's Barbara Underwood and Massachusetts' Maura Healey, filed suit over the AHP rule on...