Moving to all electronic submissions and a scaffolded deadline system for my papers (see http://nt13.carrieschroeder.net/assignments/papers/, hat tip, David Brakke of OSU) means that I graded about 16 papers on the plane yesterday and still had hours for research. Finishing up those papers today.  Inspirational music:  http://www.youtube.com/watch?v=Ee_uujKuJMI