Has Fox Business Network put a scare in CNBC? Not by the numbers, but by the channel's content, we'd say so. CNBC has picked up on Rupert Murdoch's "sex sells" business-network strategy. As part of its "Keeping America Great" series, CNBC aired a segment on "Sex and the Tech Revolution" from the AVN 2008 (NSFW) adult-entertainment convention in Las Vegas.