MEXICO CITY (AP) — Mexican Drug Lord Hector "El Guero" Palma, one of the founders of the Sinaloa Cartel, returned to his native country Wednesday after serving almost a decade in a U.S. prison. U.S. authorities handed over Palma in Matamoros, across the border from Brownsville, Texas, according to a Mexican federal official who requested anonymity due to a lack of authorizat...