The American Cancer Society , which has had a long relationship with Armstrong , said only that it would continue to collaborate with Livestrong . `` It does n't get any worse than this , '' crisis-communications expert says . Comment: The former pro cyclist resigns from chairmaship of the organization he founded in 1997 . Armstrong says he stepped aside to protect the charity .
`` It does n't get any worse than this , '' crisis-communications expert says . Comment: The former pro cyclist resigns from chairmaship of the organization he founded in 1997 . Armstrong says he stepped aside to protect the charity .