U.S. WASHINGTON D.C. INTERNATIONAL ANTI DOPING SYSTEM MICHAEL PHELPS HEARING
(170301) -- WASHINGTON D.C., March 1, 2017 (Xinhua) -- U.S. Olympic gold medalists Michael Phelps (R) and Adam Nelson fist-bump before they testify to the House Energy and Commerce Subcommittee on Oversight and Investigations during a hearing on "Ways to Improve and Strengthen the International Anti-Doping System" on the Capitol Hill in Washington D.C., the United States, Feb. 28, 2017. (Xinhua/Bao Dandan)more(170301) -- WASHINGTON D.C., March 1, 2017 (Xinhua) -- U.S. Olympic gold medalists Michael Phelps (C) and Adam Nelson (L) take an oath before testifying at the House Energy and Commerce Subcommittee on Oversight and Investigations during a hearing on "Ways to Improve and Strengthen the International Anti-Doping System" on the Capitol Hill in Washington D.C., the United States, Feb. 28, 2017. (Xinhua/Bao Dandan)more(170301) -- WASHINGTON D.C., March 1, 2017 (Xinhua) -- U.S. Olympic gold medalist Michael Phelps prepares to testify before the House Energy and Commerce Subcommittee on Oversight and Investigations during a hearing on "Ways to Improve and Strengthen the International Anti-Doping System" on the Capitol Hill in Washington D.C., the United States, Feb. 28, 2017. (Xinhua/Bao Dandan)more(170301) -- WASHINGTON D.C., March 1, 2017 (Xinhua) -- U.S. Olympic gold medalist Adam Nelson testifies before the House Energy and Commerce Subcommittee on Oversight and Investigations during a hearing on "Ways to Improve and Strengthen the International Anti-Doping System" on the Capitol Hill in Washington D.C., the United States, Feb. 28, 2017. (Xinhua/Bao Dandan)more