TANGLEY, England—Steve Schwarzman once said his business philosophy was to seek war. The Wall Street billionaire may have met his match in the chalk hills of southern England.One morning in early

VALHALLA, New York (AP) — Pepsi has a new challenge: keeping products like Gatorade and Cheetos vivid and colorful without the artificial dyes that U.S. consumers are increasingly rejecting.PepsiCo,