I have heard David speak here in NC at UNC (the Bezerkely of the east) and he was in a word AWESOME!!!
Take off work, call in sick or do whatever it is you have to do to hear him. It's time U.S. taxpayers get off our collective butts and get out there in person to support our President and Military.
The computer will still be there when you get done and you will feel SO great that you did something, instead of just reading about it on FR.
MKM