Tiger Woods has been interviewed by federal authorities investigating a Canadian doctor accused of distributing human growth hormone, a person familiar with the investigation told The Associated Press on Wednesday. The person spoke on the condition of anonymity because the investigation of Dr. Anthony Galea is ongoing. Woods previously acknowledged that he's been treated by the Toronto-based doctor but insisted that he did not receive any performance-enhancing drugs. "Tiger willingly spoke to the authorities and cooperated fully," Woods' agent, Mark Steinberg, said in an e-mail. "It was confirmed that because he did nothing illegal, he is not the subject of...