FROM PLAYBOY DAYS...TO BEDTIME LULLABIES? Up till now, Luke Barlow's biggest dilemma was deciding which debutante to take to which Stone Gap social. Until Peyton Reynolds appeared on his doorstep with a four-year-old blonde moppet and a birth certificate spelling out Luke's name in black and white. And it's time for the South's sexiest bachelor to step up and be the daddy his little girl needs Peyton had sworn she'd keep her cool around her onetime...