II 115th CONGRESS 1st Session S. 1872 IN THE SENATE OF THE UNITED STATES September 27, 2017 Mr. Thune (for himself, Mr. Nelson , Mr. Blunt , and Ms. Cantwell ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To authorize the programs of the Transportation Security Administration relating to transportation security, and for other purposes.