Wally Bock: weekend imagination igniters. Entrepreneur: How to build a billion dollar start-up. The poetry of Jeff Kopito at View From the Ledge. Anderson Layman's Blog on spy shows in the Sixties. Chief Executive: The zipper problem of some CEOs. Video: "If I Wanted America to Fail." The Hammock Papers has thinking tools. Joe Loconte on the second career of Chuck Colson.