AngelBy: Barbara Taylor Bradford All were orphans when they met in their teens in the late seventies, and they vowed to be a family. As they reunite at a film party in London, it is Rosalind Madigan, the angel of the title, who holds them together. An Academy Award winning designer blessed with innate goodness, Rosie is troubled by commitments that leave her feeling estranged from herself and her friends: Gavin Ambrose, a Hollywood megastar, a brilliant