Ryan J. Foley, Associated Press, December 15, 2006 Madison - A nurse tearfully apologized Friday as she pleaded no contest to charges stemming from a drug mixup that led to the death of a 16-year-old patient giving birth. Julie Thao, 42, pleaded no contest to two misdemeanors for obtaining and dispensing a prescription drug without a prescription. In exchange, prosecutors dropped a felony count of neglect of a patient causing great bodily harm, a charge that had sparked protests from medical groups when it was filed last month. ... Nurse