Wednesdays WSJ Opinionjournal reports that Theresa Heinz's Pumpkin Spice Cookies are back in the news. Reader Ruth Papazian has a theory about John Kerry's change of color, which we noted yesterday: He's been eating too many of his wife's pumpkin spice cookies. Family Circle sponsored a contest asking readers to bake, then vote on, cookie recipes submitted by Laura Bush (oatmeal-chocolate chunk cookies) and by Teresa Heinz Kerry. and thatOr it may be that Kerry has chosen a Halloween costume that reminds us he by the way served in Vietnam. (Did you know?) That is to say, perhaps he's supposed...