In an exclusive NBC News interview, Olympic sprinter Sha'Carri Richardson takes personal responsibility for a positive marijuana test that will keep her out of running her signature event in Tokyo. Richarson says personal pain and pressure led her to drug use.
By: CNBC Television Title: Olympic sprinter Sha'Carri Richardson apologizes after testing positive for marijuana use Sourced From: www.youtube.com/watch?v=RgDv_Q6rR28
