II 115th CONGRESS 2d Session S. 3196 IN THE SENATE OF THE UNITED STATES July 11, 2018 Mr. Portman (for himself, Mr. Udall , Mr. Coons , Mr. Whitehouse , and Mr. Burr ) introduced the following bill; which was read twice and referred to the Committee on Foreign Relations A BILL To defend economic livelihoods and threatened animals in the greater Okavango River Basin, and for other purposes.