What's Lance Armstrong's legacy, now that he has given up his fight against the U.S. Anti-Doping Agency on allegations he used performance-enhancing drugs? Some say his decision to end the battle amounts to an admission of guilt. Others blame USADA for pursuing Armstrong and ruling against him despite his having passed hundreds of doping tests. Many others say his fight against cancer is more important than whether or not he used PEDs. What's your take on Lance Armstrong now?

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