SANTIAGO, Chile (AP) — Looking to put Chile's sex abuse scandal behind him, Pope Francis dives Wednesday into another divisive issue roiling the South American nation: the plight of the indigenous Mapuche and their long-running conflicts with government authorities. In an ominous reminder of how the centuries-long conflict has occasionally erupted in violence, two Catholic churches were torched in the Araucania region on the eve of Francis' arrival — one burned to the ground.