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Phelps' coach: "I can't make him do it"

Name: Phelps' coach: "I can't make him do it"
Uploaded: 2012-05-06T12:00:00-0400
Duration: 2 min 10 s
Description: After 15 years of training together, as they prepare for their fourth Olympics, Michael Phelps and his coach Bob Bowman reflect on their roller coaster of a relationship.

After 15 years of training together, as they prepare for their fourth Olympics, Michael Phelps and his coach Bob Bowman reflect on their roller coaster of a relationship.