You know it's the start of the summer holidays when you see a bunch of bright eyed college undergraduates swaddled with clothing that looks a tad too formal for them walking down the hallways of the trading floor, looking a little too enthusiastic for the countless beatings that will come over what may be the longest months ahead of their lives to come.   Yes, the best part of summer isn't the part where the big swinging dick MDs head off for a couple weeks break, although that comes pretty close. The best part of summer is internship season, where it signals a reset of the recruitment cycle where you see an injection of new blood into the system, because post summer is typically when the newly minted Analysts and Associates fresh out of school and banking training programs hit the desk full time.   I've always been a big ......