October 14, 2008 6:42 am Researchers Indentify Cancer Trigger Biologists have discovered a single triggering event inside a cell that could lead to cancer. Local 1:56 Primary care clinics open in DC housing complexes 2:27 Vitamin K shots for newborns: A doctor debunks myths and explains why the shots are essential 2:09 DC clinic offers mental health support for children 2:24 ‘We need to save our kids': Mother who lost son to fentanyl fights for change 2:31 Spine surgery technology used in DC reduces operating time