No, it's not a storyline on "Guiding Light" (RIP) -- but rather the latest chapter in the John Edwards mistress scandal. The guy who once claimed he was the father of the child born to Edwards' mistress, Rielle Hunter, is now claiming Edwards is the real daddy (duh!) and that Edwards once promised Hunter he would marry her after his wife died (she's sick with cancer) -- this according to a book proposal obtained by the NY Times. Andrew Young, Edwards' former aide, claims Edwards told Hunter it would be a rooftop wedding and the Dave Matthews Band would make...