Tomatoes pulled off shelves amid salmonella scare Federal officials hunted for the source of a 17-state salmonella outbreak linked to three types of raw tomatoes, while the list of supermarkets and restaurants yanking those varieties from shelves and menus grew. Long, busy summer lies ahead of McCain and Obama While many people will work on their tans this summer, or on summer reading lists or on not working too hard, two exceptions -- John McCain and Barack Obama -- and their underlings will be working. Obama overtakes Clinton in Democratic superdelegates Barack Obama erased Hillary Rodham Clinton's once-imposing lead among superdelegates Saturday when he added more endorsements from the group of Democrats who will decide the party's nomination for president.