This article is part of “Pastors and Prey,” a series investigating sex abuse allegations in the Assemblies of God. WACO, Texas — Daniel Savala, a former missionary whose influence inside an Assemblies of God-run college ministry persisted for years despite repeated warnings about his predatory behavior, pleaded guilty Thursday to charges that he sexually abused two boys. Appearing by video from jail, Savala, 70, entered the plea before Judge Susan Kelly, admitting to one count of continuous