Blurb: Dr. Gary Wadler is the leading expert on performance-enhancing drugs. He also serves on numerous committees, including the World Anti-Doping Agency's Prohibited List and Methods Committee.

"You can hear my voice. It's gone. I've been studying performance-enhancing drugs for more than 20 years. This is sort of a unique area of special knowledge. The consequence is I have a busy phone and no voice.

"This is not going away. It's been with us since the beginning of history. We've gotten more competent with the drugs as technology has gotten more competent. We will probably get more competent when we get into the whole world of genetics.

"If you stand back and look at it globally, it's mind-boggling. It's a big problem. Illicit behaviors. Drug dealing. It is underground, illicit behavior. It's quite clear that the use and prescription of anabolic steroids other than for the treatment of a legitimate disease is a violation of federal law. It clearly requires revising of the sentencing guidelines.

"Professional sports ought to all use the gold standard as their standard. That's the WADA code. The system needs to be independent and accountable. It shouldn't be limited as an Olympic approach.

"What sports need is to all be reading from the same page, from the same playbook, if you will — the WADA code."