With the Olympics in full swing, we've got a special treat. Olympic swimmer Michael Phelps will be taking your video questions during an interview Tuesday, August 19 on CNN.com Live. Wondering what it takes to be a great swimmer? Looking for training tips? Curious about where Phelps stores all his gold medals? Grab your camera and capture footage of yourself asking Phelps a question. Please keep submissions brief and to the point. Send your video to iReport.com and your question could be asked on air.