Obama can't close the deal

What's a weary, befuddled superdelegate -- desperate for clarity -- to do? Instead of providing a definitive answer, the Pennsylvania primary ended up as an old-technology carbon copy of the Ohio vote seven weeks ago. Once again, with her back to the wall, Hillary Clinton won a Rust Belt contest by a 10-point margin, leading Barack Obama 55-to-45 percent in Pennsylvania with 99 percent of the… » Full Story on Salon.com