US sprinter Coleman cleared as USADA withdraws case

Christian Coleman has been cleared to take part in this month's World Athletics Championships after the United States Anti-Doping Agency (USADA) dropped charges against him on a technicality.  US sprinter Coleman, the fastest man over 100m this year, had been facing a two-year suspension after drug-testers were unable to locate him on three separate occasions in a 12-month period. However, USADA said in a statement that after receiving guidance from the World Anti-Doping Agency on how t...