text:  It's not a clear-cut case. That's Richard Bush. He's a big deal in the copyright world. He's a lawyer who won a multi-million dollar case against Robin Thicke and Pharrell Williams over their 2013 song Blurred Lines for illegally copying Marvin Gaye. He's devoted his life to going after artists who have ripped others off. But he thinks the AI companies here might actually have an argument. How is this different than a human brain listening to...