The tubes connected to my arm are melting. I am surrounded by flames moving closer and closer like an angry mob waving torches above their heads. Except there are no people around. I have been yelling for help at the top of my lungs, but no one can hear me. Or if they do, perhaps they are afraid, like the man who never learned to swim and knows that if he jumps in to save someone drowning, there will be two victims rather than one. And it’s true: I’m not at all sure that anyone can stop this raging conflagration in time to save my life. I thought I was safe in this place. Who would attack a...