Who Are You Again? By Amber Gordon   A bearded man in a dark knit winter cap smiles as our eyes meet.  He seems content with his polite gesture in this normal situation.  I am apprehensive and disoriented. He asks, “How’s it going?” “I’m fine,” I say, but all I can think is, Do I know you?  Would it be rude to ask?  Then the moment passes, and I always regret not asking.  I can almost never tell if people who greet me are just being polite, or if it is someone I actually know who is trying to start up a conversation with me. This scenario occurs on a near daily basis.  Every time I am approached by somebody, my mind begins racing,…