When NBC's Ben "The Perfect Storm" Silverman appeared on Michael Eisner's talk show last week to serve notice to his network rivals that his resurgent Peacock would soon be feasting on their rotting, Nielsen-dead entrails, the full extent of his programming vision was not yet clear. But since then, Silverman has made two stunning moves that demonstrate he's utterly unafraid to strip-mine the past if that ensures a better-rated future: the revival of Knight Rider, and, according to TV Week, the appointment of '80s wrestling icon and recently recycled VH1 celebreality star Hulk Hogan to American Gladiators hosting duty: