II 118th CONGRESS 1st Session S. 1186 IN THE SENATE OF THE UNITED STATES April 18, 2023 Mr. Markey (for himself, Mr. Merkley , Ms. Warren , Mr. Murphy , Mr. Van Hollen , Ms. Smith , Mr. Welch , and Mr. Sanders ) introduced the following bill; which was read twice and referred to the Committee on Foreign Relations A BILL To restrict the first-use strike of nuclear weapons.