HARTFORD — For the state's child-protection agency and the cancer doctors at Connecticut Children's Medical Center, there is no debate: 17-year-old Cassandra C. will die of Hodgkin's lymphoma without chemotherapy, and the teen doesn't have the legal standing to reject the treatments on her own. But at a noon hearing Thursday before the state Supreme Court, the justices will consider the constitutional argument from lawyers for Cassandra and her mother, Jackie Fortin, who supports her daughter's decision to reject chemotherapy treatments. The Department of Children and Families won temporary custody of Cassandra at the Superior Court level and Cassandra, of...