COMING THIS WEEK

MONDAY: Biometrics, the use of physical characteristics such as voice and fingerprints for identification and security, is rapidly replacing secret passwords in computer networks. The Cutting Edge

TUESDAY: A 54-year-old single parent of three who has substantial investments needs to update and organize her estate plan to protect both her own interests and those of her children, Liz Pulliam writes in a Money Make-Over column. Wall Street, California