Gatlin/Mitchell fully know how to avoid positive tests from microdosing, undectable new drugs, traveling outside US for “training” & “medical treatment” to avoid testing altogether during heavy doping.[...Where there's smoke there's fire. /quote]
Hey, if all you need to end someone's career, despite endless testing, is a little smoke, why test at all? Just set up smoke detectors at all the tracks and you'll be done.