Couric set up part 3 of her interview taped in a living room setting, aired on the July 15 Today: "Now Day Two of our exclusive interview with Democratic vice presidential hopeful John Edwards and his wife Elizabeth. The Edwards met as law students at the University of North Carolina at Chapel Hill. They'll soon celebrate their 27th wedding anniversary. They've experienced the highest of highs and the lowest of lows in their marriage. This morning they talk about the most painful event any parent can go through, the death of a child. But first we begin with politics. I...