FILE - In this March 14, 2016, file photo, Massachusetts Senate President Stanley Rosenberg speaks during a signing ceremony for legislation aimed at reversing a deadly opioid addiction crisis at the Statehouse in Boston. The Senate Ethics Committee on Monday, Dec. 18, 2017, chose a team of lawyers from the Boston firm of Hogan Lovell to lead a probe involving the former Senate President, whose husband, Bryon Hefner, has been accused of sexual misconduct. (AP Photo/Elise Amendola, File)