The Associated Press reports that Google is already facing legal challenges to its ambitious book scanning project, and now it has triggered a greater philosophical debate with a rival project, which promises better online access to the world’s books and historical documents. These new tensions revolve around Google’s insistence on pairing its leading search engine to the nine major universities that have allied themselves with Google’s project. Another group, named the Open Content Alliance, favors a less restrictive approach than Google’s, and fears the possibility of mankind’s accumulated knowledge of falling under the control of a commercial entity. This foundation announced a $1 million grant to the Internet Archive, a leader in the Open Content Alliance to help pay for digital collections owned by the Boston Public Library, the Metropolitan Museum of Art, and the Getty Research Institute…