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Edwin Moses is one of the most celebrated athletes in track and field history.
[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2010/images/01/25/2501_cotd_blog.jpg caption ="Edwin Moses clears a hurdle during the 1984 Olympic games."]
He won a gold medal during the 1976 and 1984 summer Olympic games for the 400m hurdles and between 1977 and 1987, Moses won 102 consecutive finals.
While the American athlete had a immensely successful athletic career, Moses was also a champion for drug testing and Olympic eligibility.
Moses helped to develop a number of anti-drug policies and in December 1988 he helped to create amateur sports' first random out-of-competition drug testing program.
Moses is also chairman of the reknowned Laureus World Sports Academy.
Here's your chance to ask this track and field legend your questions.
Do you want to know what he thinks of the Olympic Games today? How does he think drugs are influencing sport? Who are his favorite athletes?
Please post your questions and comments below.