RALEIGH, N.C. -- A camera battery caught part of vice-presidential candidate John Edwards' plane on fire shortly after takeoff at 10 p.m. Friday. [snip] The battery, in a still photographer's camera, caught part of a seat on the plane on fire. The plane then circled around and as a security precaution landed back at RDU International Airport. Crews repaired the problem and the plane took off again around 11:30 p.m. No one was hurt in the incident. The plane was en route to Marietta, Ohio, after Edwards spent Friday evening in Raleigh at a rally that included a Jon Bon...