'The Crown' Season 4: Did That Lord Mountbatten Boat Explosion Really Happen?

(This article contains some spoilers for the season 4 premiere of “The Crown” on Netflix.) Four seasons in, we know “The Crown” doesn’t shy away from dramatic tragedies and threats, especially as they relate to the royal family — that is, in fact, kind of the whole thing with this show. And this season opened with a bang — literally. In the season premiere, Louis Francis Albert Victor Nicholas Mountbatten (otherwise known as Lord Mountbatten, and Queen Elizabeth’s cousin) is kill...