There is some similarity between this documentary and Gibney's "Enron: the Smartest Guys In the Room." There is a lot to be said for this piece being "overlong" as Armstrong is a complex man, a fallen athlete - a perfect con man, while deception, lies, manipulation were years in the making before his free-fall into his abyss. Enron's Ken Lay, Shilling, Andy Fastow suddenly seem so familiar. A. Gibney's treatment takes the much-needed luster off of a man who won major titles but lost his soul in the process. Ultimately, there is emptiness, and, tragically, the idea of what could have been.