LONDON/ZURICH (Reuters) - Swiss-based food giant Nestle will pay Starbucks $7.15 billion in cash for the rights to sell the U.S. coffee chain’s products around the world, tying a premium brand to Nestle’s global distribution muscle. The deal on Monday for a business with $2 billion in sales reinforces Nestle’s position as the world’s biggest coffee company tries to fortify its place atop a fast-changing market.