Being one of those poor uninsured types, I went to the Haight Ashbury Free Clinic in San Francisco to get some stuff in my throat checked out. I described my problems–weird tonsil spots and a lump in the back of my throat– to the evening’s practitioner and said that I had felt around back there with my finger. He seemed kind of shocked. I didn’t say that I learned how to suppress my gag reflex when I was 20 so that I could give better blowjobs. No, Dan, I was quiet and polite. So he looked in my throat with a tongue depressor. He told me what the tonsil stuff was and I was relieved to find that it was a non-problem. Then he tried to usher me out. I said, “Well, what about this other thing? The lump in my throat?” I explained that I couldn’t see it, I could only feel it,...