Shing Discusses U.S. Economy, Debt, Swiss Franc, July 21

July 21 (Bloomberg) -- Edmund Shing, an equity strategist at Barclays Plc, discusses the outlook for the U.S. economy and debt-ceiling debate. Shing, speaking with Owen Thomas on Bloomberg Television's "Countdown," also talks about today's European leaders summit on the region's debt crisis, grain prices and the Swiss franc. (Source: Bloomberg)