Under pressure to help dispose some of the electronic waste it helped create, Best Buy is testing a free program that will offer consumers a convenient way to ensure millions of obsolescent TVs, old computers and other unwanted gadgets don't poison the nation's dumps. The trial, announced Monday, covers 117 Best Buy stores scattered across eight states that will collect a wide variety of electronic detritus at no charge, even if the Richfield, Minn.-based retailer didn't originally sell the merchandise. RELATED ARTICLE: Tech firms go green as e-waste mounts