Quiet 15-year-old preferred close pals, kept own Web site. Kayla Reed was quiet and spent time with just a few close friends. The 15-year-old high school freshman lived in a Livermore townhouse with her mother, and the two fought often, friends and neighbors say. She feared acne, liked hip-hop music, and talked about becoming a cosmetologist. After school, she took a bus to a small library branch near her home to access her personal Web page, where she called herself "hotfrenchchic!" But as Kayla's family members and friends talked about her life on Monday, they said they couldn't fathom her...