Christine Maggiore was in prime form, engaging and articulate, when she explained to a Phoenix radio host in late March why she didn't believe HIV caused AIDS. The HIV-positive mother of two laid out matter-of-factly why, even while pregnant, she hadn't taken HIV medications, and why she had never tested her children for the virus. "Our children have excellent records of health," Maggiore said on the Air America program when asked about 7-year-old Charlie and 3-year-old Eliza Jane Scovill. "They've never had respiratory problems, flus, intractable colds, ear infections, nothing. So, our choices, however radical they may seem, are extremely...