I had lunch with Yoko Ono during the 2010 New York Antiquarian Book Fair.That’s a sentence I figured I’d have about as much chance of writing as, “I accept the nomination of my party for President of the United States,” but with less probability of actual realization.At the Fair on Saturday, I noticed Yoko Ono quietly walking the aisles. I thought, I must talk to her about rare books. And immediately I thought, Gertz, you do not have the nuts to approach her. And I was right.Forty minutes later I was starving and, anxious to have my wallet gutted, walked...