John Oliver returned to air on Last Week Tonight, saying it’s “incredibly exciting” to be back, though sad, because he once again had to kick off an episode addressing heartbreaking events at a school shooting.” This time it’s Parkland, Florida, where yet another school shooting left 17 dead and many more injured. “These events are now so familiar, we now automatically know how each side will play out,” Oliver complained: “Thoughts and prayers” “Fuck your thoughts and pray…