1/1
antidoping_hearing024_022817.jpg
UNITED STATES - FEBRUARY 28: Olympic gold medalists Adam Nelson, left, and Michael Phelps, appear before a House Energy and Commerce Subcommittee on Oversight and Investigations hearing in Rayburn Building on ways to strengthen the international anti-doping system, February 28, 2017. Phelps is a swimmer and Nelson a shot putter. (Photo By Tom Williams/CQ Roll Call)

UNITED STATES - FEBRUARY 28: Olympic gold medalists Adam Nelson, left, and Michael Phelps, appear before a House Energy and Commerce Subcommittee on Oversight and Investigations hearing in Rayburn Building on ways to strengthen the international anti-doping system, February 28, 2017. Phelps is a swimmer and Nelson a shot putter. (Photo By Tom Williams/CQ Roll Call)

Copyright 2017 CQ-Roll Call, Inc.