When salmonella first ruined the tomatoes, some carnivores laughed at the distraught vegetable lovers; now an E. coli outbreak has prompted a nationwide beef recall, and the only ones left to laugh are the breatharians. 530,000 pounds of beef have been pulled from supermarkets nationwide; over 40 people may have been sickened in Michigan and Ohio by contaminated beef sold by the Kroger chain. Symptoms to watch out for at tomorrow’s barbecues include stomach cramps......