Neil deGrasse Tyson: Adventures in Science Literacy Part 1
Channel: Kevin Swarthout
Date: 2012-04-14

2nd part here: http://youtu.be/CIlNWybVx5c
Neil deGrasse Tyson came to UW-Madison to give a talk in 2009 and here it is. The sound quality is very poor at the beginning, but that was a mic issue that was fixed a few minutes in.