II 116th CONGRESS 1st Session S. 312 IN THE SENATE OF THE UNITED STATES January 31, 2019 Mr. Merkley (for himself, Ms. Warren , Mrs. Gillibrand , Mr. Markey , Mr. Wyden , Mr. Sanders , Mr. Van Hollen , Ms. Baldwin , Ms. Harris , Mr. Brown , and Mrs. Feinstein ) introduced the following bill; which was read twice and referred to the Committee on Foreign Relations A BILL To prevent a nuclear arms race resulting from weakened international restrictions on the proliferation of intermediate- and shorter-range missiles, and for other purposes.