Bill and his round table guests - Erin Brockovich, Willie Nelson, Josh Barro, Gov. Howard Dean and Carly Fiorina - answer fan questions after Friday's show.
Submit your questions below, in the Comments section of this post. Selected questions will be answered on HBO.com immediately following the premiere.
Please be aware that concise (50 words or less) single topic questions have the best chance of being selected so the shorter and more specific you can be, the better.