Mental Backtracking
Hurrying down the stairs at the 59th Street subway station in New York City, I ran to jump on the A-line metro train just before the doors closed. Whew… I was on my way. However, the relief was short-lived. A stranger looked at me and determinedly expected me to answer his question, “Where are you going?” I responded, “175th Street in uptow Manhattan.” The person then said, “Okay, you are on the B-line which will end up in the Bronx.