From CBS News' Dante Higgins:

DAVENPORT, IOWA -- Sen. John McCain, who held congressional hearings on steroids in baseball when he was chairman of the Commerce Committee, just reacted to the release of the Mitchell Report, which looked into steroid use in that sport.

"It’s now time for Major League players to step forward and accept both meaningful restrictions as well as punishments if any of them are guilty of using these enhancing substances," McCain said about the players listed in the report.

"So it’s time now for the players union to step forward and say 'ok, we’ll save the game and the reputation of the game and cooperate with meaningful and tough punishment and testing procedures, so we can prevent this from ever happening again.'"