II 115th CONGRESS 2d Session S. 3424 IN THE SENATE OF THE UNITED STATES September 6, 2018 Mr. Merkley introduced the following bill; which was read twice and referred to the Committee on Homeland Security and Governmental Affairs A BILL To amend title 5, United States Code, to provide for an investment option under the Thrift Savings Plan that does not include investment in any fossil fuel companies.