Gillette's lawsuit could tilt the battle for America's beards

The razor industry's best-selling behemoth, Mach3 maker Gillette, and fastest-growing upstart, online subscription service Dollar Shave Club, have been at war for America's $3.3 billion shaving business for years. But now the knives are really out: Gillette just sued, saying Dollar Shave Club stole a key part of its razor and demanding the start-up stop selling its blades.