Stephen Colbert delivers the 2013 Valedictory Address at the University of Virginia. Back in 2011, I was very impressed with this speech he gave at his alma mater, Northwestern University. If you didn't watch it then, watch it now, especially the last five or so minutes in which he gave some darn good advice. I am a bit less impressed with this year's speech which feels more like it was written by someone else and he's just reading it…but some of it is quite funny. Here's this year's…