Exclusive-Athletics-Bolt tells Richardson to refocus and return after cannabis ban By Syndicated Content By Kayon Raynor KINGSTON, Jamaica (Reuters) â Eight-time Olympic gold medallist Usain Bolt said he hopes American sprinter ShaâCarri Richardson can ârefocusâ and get back on the track after she completes a one-month ban following a positive test for cannabis. âHopefully she can learn from this and just push on,â Bolt told Reuters when asked about the Americanâs failed test for the banned substance, which cost her a spot on the U.S. team for the Olympics in Tokyo. âI know she has gone through a lot, you understand, but I hope she can refocus and just push on and do her best because she looks like a really talented athlete,â he added.