Lance Armstrong comes clean about his doping dishonesty in documentary trailer: 'We all lied'

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Lance Armstrong is coming clean on his truthfulness.

A surprisingly candid Armstrong was profiled on Night 1 of the two-part ESPN documentary "Lance," with doping one of the first topics discussed on the show. While doping was touched on throughout the episode, it seems like we're going to get more insight into the mentality of Armstrong and the rest of the dopers this weekend.

With Part 2 of the doc hitting television setsSunday, ESPN teased one question that everyone's wondering: Why lie?