Statement issued Thursday night by seven-time Tour de France winner Lance Armstrong:
''There comes a point in every man's life when he has to say, ''Enough is enough.'' For me, that time is now. I have been dealing with claims that I cheated and had an unfair advantage in winning my seven Tours since 1999. Over the past three years, I have been subjected to a two-year federal criminal investigation followed by Travis Tygart's unconstitutional witch hunt. The toll this has taken on my family, and my work for our foundation and on me leads me to where I am today -- finished with this nonsense.
I had hoped that a federal court would stop USADA's charade. Although the court was sympathetic to my concerns and recognized the many improprieties and deficiencies in USADA's motives, its conduct, and its process, the court ultimately decided that it could not intervene.
If I thought for one moment that by participating in USADA's process, I could confront these allegations in a fair settin...