Watching the classic 1970s sitcom "M*A*S*H," it's easy to imagine that everyone involved was just as close behind-the-scenes as their characters were onscreen, but that wasn't always the case. Like any workplace, there were occasionally some disagreements and clashing personalities, though they could be exacerbated by the stresses of making a television series. The show achieved wild popularity early on and inflated that stress even more, leading to all kinds of casting change-ups as the actors pursued roles on shows that weren't big ensembles and even leading series creator Larry Gelbart to walk away from "M*A*S*H" after season 4. One of the actors who left the series was McLean Stevenson, who portrayed Colonel Henry Blake, the commanding officer of the 4077th Mobile Army Surgical Hospital. He was frustrated because he felt like he was playing second fiddle to Alan Alda's character, Captain Hawkeye Pierce, and ended up being written out...