Recently, I was sitting in the office of a senior associate, chatting after a call I was observing had wrapped up.  It was the middle of my corporate department rotation and I was picking his brain about the role the Banking & Finance group played in a corporate acquisition.   All of the sudden, I glanced at my watch and realized I had taken up 30 minutes of his time.  He didn’t seem to mind, but I insisted we finish our conversation over lunch, a few days later.  As I was walking back to my office, it occurred to me how many conversations just like that I’ve had in the short…