II 116th CONGRESS 1st Session S. 1576 IN THE SENATE OF THE UNITED STATES May 21, 2019 Ms. Warren (for herself, Mr. Markey , Mr. Brown , Mr. Blumenthal , Ms. Baldwin , Ms. Smith , Mr. Booker , Mr. Sanders , Ms. Stabenow , Mr. Kaine , Ms. Harris , Ms. Hassan , Mrs. Shaheen , Mr. Van Hollen , Mrs. Gillibrand , Ms. Klobuchar , and Mr. Murphy ) introduced the following bill; which was read twice and referred to the Committee on Health, Education, Labor, and Pensions A BILL To strengthen parity in mental health and substance use disorder benefits.