Bill's panel tonight are:
* Jon Hamm, actor, from AMC's "Mad Men."
* Rep. Barney Frank (D-MA), who is openly gay.
* Melissa Harris-Lacewell, associate professor of politics and African American studies at Princeton University.
Bill's other guests are:
* Michael Ware, CNN journalist covering Iraq.
* P.J. O'Rourke, humorist/author.