True story: Several years ago I drove home from my office and pulled in front of my house. As I was getting out of my car, a local homeless women was standing right behind me, as if she had materialized out of thin air. Before I could say anything, she stated (in a thick Anglo-Indian accent), "Pardon me sir, can you tell me the name of a dentist whose last name begins with 'Mc'?" I thought for a moment and replied, "No, I'm sorry, I cannot tell you the name of any dentists whose last name begins with 'Mc'. Can...