Check out the surprisingly gruesome scene from “The Interview” that likely most angered North Korea. And in non-exploding-head matters, take a peek at this drone video of a humpback-whale feeding frenzy, which, for a frenzy, is kinda relaxing to watch. More proof that we live in the future: This week, a wrench was emailed to the International Space Station. And finally, “The Colbert Report” ended last night, and here’s its epic, star-studded finale sing-off (it’s as catchy as “Too Many Cooks”!).