If you were in the presence of a man having a heart attack, how would you respond? As he clutched his chest in desperation and pain, would you call 911? Would you try to save him from dying? Of course you would. But if that man was Rush Limbaugh, and you were Sarah Spitz, a producer for National Public Radio, that isn’t what you’d do at all. In a post to the list-serv Journolist, an online meeting place for liberal journalists, Spitz wrote that she would “Laugh loudly like a maniac and watch his eyes bug out” as Limbaugh writhed...