From the BBC World Service: The Canadian firm Couche-Tard, best known for Circle K, is walking away from a $47 billion bid to buy Japan’s Seven & i, the parent company of 7-Eleven. Couche-Tard says it faced a “calculated campaign of obfuscation and delay” from the Japanese side. Then, Americans are firing up their grills this summer, but they’re getting singed by the cost of beef. Prices continue to rise. We find out why.