So, I guess this is goodbye-- for now at least, for a while.Starting tomorrow, I'll be officially joining the State Department's Bureau of Near Eastern Affairs as an AAAS Science and Technology Policy Fellow. For the past 2 weeks, I've been going through AAAS orientation, a program designed to introduce scientists to Washington.This fellowship process has been quite the experience. I'm in a class of over 180 fellows--all Ph.D.'s in the sciences--who will be joining various agencies of the federal government as well as Congressional offices. There are a few social scientists, but I'm pretty...