Mad Men's Junior Copywriter even-though-she's-a-chick Peggy Olson is such a know-it-all. And why wouldn't she? She can be too smug at times, but I guess she has to be because it's 1962. Last week we saw Peggy out with the boys at a strip club, but this week she was back to her old schoolmarmy self. This was the funniest ...