If you’re a fan of The Big Bang Theory, you’re no doubt familiar with the method employed by other characters to soothe uptight scientist Sheldon when he gets upset: a lullaby about a soft, nice kitty that helps him settle down to sleep when he’s having trouble. That “Soft Kitty” song has also turned into big merchandising bucks, money the show doesn’t deserve according to a new lawsuit that claims the lyrics are a ripoff. [More]