By admitting to Oprah Winfrey that he doped during his professional cycling career, Lance Armstrong potentially opened himself up to a stream of litigation that could lighten his wallet for years.

And then there’s the big question: Will his mea culpa result in the reopening of a criminal investigation by the U.S. government?

Some legal experts believe the disillusionment and anger now directed at Armstrong will force the government to re-examine its evidence in light of his admissions, but others say revisiting the criminal case is unlikely...

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