charges, including extortion, drug trafficking and murder. officials say it s one of the largest single day operations against the mafia ever. two miami-dade police officers were shot to death in the line of duty today. officials say they were serving a murder warrant on a suspect when he opened fire. the suspect was killed during the shootout. walmart, the world s largest retailer, announced a campaign to stock stores with more nutritious foods and has the support of michelle obama, a major proponent of healthier eating. walmart s goal is to sell products containing less sodium, sugar, and fat. and the next time you hop into a new york city yellow cab, don t expect the driver to be dressed in a tuxedo, but you can expect the driver to be neat and clean. turns out the city s taxi commission voted today to require that cabbies always be dressed in a professional manner. so it looks like the what does that mean? it means that they can t turn