Not long after Lance Armstrong's unprecedented seven Tour de France titles were stripped in 2012, the cyclist tweeted a defiant photo.
Armstrong reclined on a couch in a dimly lighted room, appearing unworried about the U.S. Anti-Doping Agency's exhaustive report that accused him of cheating by taking performance-enhancing drugs to fuel his history-making feats. The framed yellow jerseys from his Tour de France wins hung on the wall behind him.
The message was clear: The punishment didn't faze Armstrong.
Now, though, his sins carry a steep price. This week, an arbitration tribunal ordered Armstrong to repay Dallas-based SCA Promotions Inc. $10 million...