AP - John McCain's presidential campaign on Wednesday released a withering television ad comparing Barack Obama to Britney Spears and Paris Hilton, suggesting the Democratic contender is little more than a vapid but widely recognized media concoction.

AP - A year after the worst U.S. bridge collapse in a generation brought calls for immediate repairs to other spans, two of every three of the busiest problem bridges in each state — carrying nearly 40 million vehicles a day — have had no work beyond regular maintenance.

AP - The salmonella strain linked to a nationwide outbreak has been found in irrigation water and in a sample from a batch of serrano peppers at a Mexican farm, federal health officials said Wednesday.