Sports Opinion: By handing drug enforcement to U.S. Anti-Doping Agency, can horse racing clean up its act? December 22, 2020Dan Wolken, USA TODAYComments Off on Opinion: By handing drug enforcement to U.S. Anti-Doping Agency, can horse racing clean up its act? A new Congressional bill passed Monday creates a national regulatory board for horse racing and hands drug enforcement to the U.S. Anti-Doping Agency.