HARRISBURG, Pennsylvania — A sperm donor who helped a lesbian couple conceive two children is liable for child support under a state appellate court ruling that a legal expert believes might be the first of its kind in the U.S. A Superior Court panel last week ordered a Dauphin County judge to establish how much Carl L. Frampton Jr. would have to pay to the birth mother of the 8-year-old boy and 7-year-old girl. "I'm unaware of any other state appellate court that has found that a child has, simultaneously, three adults who are financially obligated to the child's support...