Civil rights lawyer Norman Siegel has defended countless victims of government abuse over the years, including people swept up in another hysterical call for health quarantines during the early days of the AIDS epidemic. Even the grizzled Siegel has been struck by the bravery and eloquence of Kaci Hickox, the 33-year-old nurse who telephoned him Saturday from a makeshift tent on the grounds of a New Jersey hospital to seek his legal help.