"What is the big deal about Bob Dylan?" Julia Schrenkler wondered on Gather.com three years ago. Well, according to fellow folkie Joni Mitchell, he's a plagiarizing fraud. "Bob is not authentic at all," Mitchell tells the Los Angeles Times. "He's a plagiarist, and his name and voice are fake. Everything about Bob is a deception. We are like night and day, he and I." True, Dylan's name is a "fake" -- he was born Robert ... um, Zimmerman -- but he'd have to be some kind of crazy to invent a voice like his current subterranean croak. Let's assume she's...