Peking, Dec. 2: Chairman Mao Tse-tung invited President Ford to his home to-day and spent nearly two hours with him — an audience of remarkable length that added immediate glitter to Mr. Ford’s visit. The President, Mrs. Ford, daughter Susan and Mr. Ford’s top advisers finally got the coveted invitation U.S. officials had been hoping for and were driven at mid-afternoon to Mao’s guarded red brick home in the Forbidden City. Mrs. Ford and Susan left soon after a picture-taking session but Mr. Ford and his advisers spent about one hour and 50 minutes with the ailing Mao, who lives...