plus, remembering an icon. the first man to ever set foot on the moon, neil armstrong, dies at the age of 82. good evening, everyone. i m jim rosenfield. we begin tonight with breaking news involving the race for the white house. the gop announced tonight it is canceling the first day of the republican national convention. it s all because the city of tampa s expected to get a hit from tropical storm isaac. and this means mitt romney will have to wait until tuesday to be officially nominated as the republican nominee for president. the rnc says it plans to issue a new schedule sometime tomorrow. and we re staying on top of tropical storm isaac as it threatens the florida coast. isaac could strengthen into a hurricane tomorrow as it hits the warm waters of the gulf of mexico. just minutes ago florida closed the ports of miami, everglades, and miami beach. florida governor rick scott declared a state of emergency today. people who live along the south florida coast bracing for