Ann Powers

To some extent, the idea that rock 'n roll used to have this sort of free antediluvian identity, frolicking in the 1950s with Elvis or something, is totally wrong. It's insane. Elvis' relationship with Colonel Parker, his manager, was one of the most possibly corrupt, certainly lucrative, and intense business partnerships ever in rock n' roll.

Hip-hop has survived as a sonic practice more than anything else. It's an approach to music-making based in sampling and rhyming over beats, that's proven far more versatile than its detractors thought it would.

In 1979, the Supreme Court ruled 5-3 in Smith v. Maryland that a few days' worth of phone records for a single individual were not protected by the Fourth Amendment. The NSA today, though, collects hundreds of millions of phone records from hundreds of millions of Americans without an individualized warrant.