Cherrie Mahan was 8 when she vanished from a bus stop near her home. A picture of the smiling, brown-haired girl would be the first featured on direct-mail fliers like those now sent weekly to

Cherrie Mahan was 8 when she vanished from a bus stop near her home. A picture of the smiling, brown-haired girl would be the first featured on direct-mail fliers like those now sent weekly to

Richard A Posner, in his classic study: "Public Intellectuals: A study of decline", defines a public intellectual as someone who "expresses himself in a way that is accessible to the public, and