A Tiger Woods ad is seen in a golf shop in Tallahassee, Fla. The self-destruction of Tiger Inc. is calling into question whether companies can afford the risk of signing multimillion-dollar contracts with celebrity endorsers. Accenture severed ties with Woods on Sunday. AT&T said it is also is evaluating its relationship with Woods, as is Swiss watchmaker Tag Heuer. Procter&Gamble’s Gillette brand announced it was distancing itself from him by not airing ads featuring Woods. Nike, PepsiCo Inc.’s Gatorade and EA Sports say they are standing by him.