MUSCATINE, Iowa — Democratic vice presidential candidate John Edwards (search) accused the Bush administration on Thursday of ignoring problems ranging from scarce flu vaccine to the war in Iraq while officials campaign in battleground states and asked, "Who's minding the store?" Edwards, speaking in a high school gymnasium during a bus tour of eastern Iowa, cited national security adviser Condoleezza Rice (search), Health and Human Services Secretary Tommy Thompson (search) and Commerce Secretary Donald Evans (search) as examples of Bush officials who are campaigning while pressing issues remain unresolved. "There's a solution for this," Edwards said. "In America, that's called...