[Excerpt] This report provides background information and analysis on U.S. foreign trade in services. The focus of the report is an analysis of the policy challenges that the United States confronts, especially the challenge of negotiating a set of international disciplines on trade in services and dealing with the complexity of measuring trade in services. The report also focuses on emerging issues and current negotiations, especially those pertaining to the Trade in Services Agreement (TISA), the Trans-Pacific Partnership (TPP), and the Transatlantic Trade and Investment Partnership (TTIP) agreement.