THE QUIET DIET

Here’s a worthy challenge: Try escaping the daily din of American life. It’s not easy. Maybe, for instance, you don’t actually want to hear Wolf Blitzer’s voice blaring from every TV planted in a public space. Who’d blame you?

Unfortunately, most of us are constantly assaulted by a never-ending bleating, clanging, whirring, and buzzing — the raucous background music of 21st-century