Well? What would you do if you walked into the bathroom and found a tiger in it? Would you behave rationally, facing one of nature’s most fearsome killing machines in its golden eyes, and slowly backing away to leave it in the bathroom where you found it? Of course not. You’d collapse into a pile of terror and tears, petrified by the sight of a tiger in the bathroom, and nobody would fault you for it. Except, perhaps, for Jenna Krehbiel, because when she found a tiger two feet away from her in the bathroom, she handled herself like a true hero. A social worker who’s been trained to handle scary situations—although presumably not quite this scary—Krehbiel backed out of the bathroom of the Salina, Kansas circus she was attending, and told handlers they might want to check on the bathrooms. That’s what Jenna Krehbiel did, which brings us back to the original question: What would you do? …