II Calendar No. 366 115th CONGRESS 2d Session S. 2629 IN THE SENATE OF THE UNITED STATES March 22, 2018 Mr. Carper (for himself, Mr. Moran , Ms. Heitkamp , and Mrs. McCaskill ) introduced the following bill; which was read the first time April 9, 2018 Read the second time and placed on the calendar A BILL To improve postal operations, service, and transparency.