Mark Dry
FILE - United States' Shelby Houlihan, right, reacts after finishing a women's 5000m heat during the World Athletics Championships in London, in this Thursday, Aug. 10, 2017, file photo. Banned runner Shelby Houlihan is in the lineup and will be allowed to run at U.S. Olympic track trials while any appeals she files are pending. The American record holder at 1,500 and 5,000 meters, Houlihan is on the start list for Friday’s, June 18, 2021, 5,000 preliminaries. (AP Photo/Tim Ireland, File)
Doping’s puzzling rules: McNeal's case poses another hurdle

By Eddie Pells Jun. 19, 2021 01:28 PM EDT