The greatest name in sound? The only name in sound? Yeah, something like that. Whatever Bose’s slogan happens to be these days, the company is doing itself proud by introducing yet another glorified set of cans designed to help you tune out mortar fire and crumbling buildings, not to mention airplane noise and rowdy children.Dubbed the “quietest Bose headphones ever,” the fresh QuietComfort 15 acoustic noise-cancelling headphones are said to be the company’s best performing, ever. While details are scant on