January 23, 2015 8:20 am Researchers identify genetic cause of Sturge-Weber syndrome Researchers identify genetic cause of Sturge-Weber syndrome, often associated with facial birthmarks, which means new trials and new hope for sufferers. US & World Videos 0:37 Ex-Abercrombie CEO arrested on sex trafficking-related charges 9:07 Selena Gomez and Benny Blanco's sweetest moments 0:31 The price to watch Lionel Messi in Los Angeles 2:13 Real-life ‘Karate Kid' meets his inspiration 2:12 What to expect in court as Trump faces 2020 election charges in DC