Here's one sure way to incite Barbra Streisand's wrath: Write a book about her. Christopher Anderson has learned that with his recently published biography, "Barbra: The Way She Is." Streisand has retaliated not with interviews or public statements, but by way of the Internet. On her Web site, she has issued a response she titles "Does the Truth Matter These Days?" "Normally, I would not dignify vicious, mean-spirited mythology masquerading as biography," she begins. "But it seems this latest rehash of other unauthorized biographies is getting a lot of attention. "Who is the person described in this book? From what...