Show of hands: how many of us have ever been a student in a yoga class and heard the teacher say, in the midst of a series of alignment cues, "Epic crow pose, Rachel!" We've all been there. If, by some stroke of luck, you are Rachel that day, you might have felt special. First of all, the teacher knows your name. Secondly, s/he was looking at you at just the right moment when your feet lifted off the mat and you found a little bit of flight. And finally, s/he was so impressed