(Reuters) - Grammy Award-winning musician Sheryl Crow watched disgraced cyclist Lance Armstrong get an illicit blood transfusion and later told federal investigators about what she had seen, according to a new book. The New York Daily News, citing a book by Wall Street Journal reporters Reed Albergotti and Vanessa O'Connell, said Crow, who was dating Armstrong at the time of the transfusion in 2004, cooperated with investigators after being given immunity from prosecution. ... More...