SAN DIEGO ---- A state appeals court Wednesday overturned three second-degree murder convictions and the life prison sentence a suspected immigrant smuggler received in connection with a June 2003 crash near Borrego Springs that killed three illegal immigrants in the back seat of his car. Jurors convicted Antonio D. Sanchez, 26, of three counts of second-degree murder based on a determination that another crime ---- fleeing police with a willful disregard for the safety of others ---- is "an inherently dangerous felony," an appeals court opinion stated. The court and attorneys on both sides of the appeal agreed, however, that...