Why Justin Gatlin came back

Justin Gatlin (born February 10, 1982) is an American sprinter, who is an Olympic gold medalist in the 100 meters. His 100 m personal best is 9. 74 seconds, and he is a twice World indoor champion in the 60 meters dash. In 2006, he began to serve a fouryear ban from track and field for testing positive for a banned substance, with this sanction erasing his thenworldrecord time of 9. 77 in the 100 m. Gatlin began competing again in August 2010, soon after his eligibility was reinstated. In June 2012 at the br, br,