Julia Louis-Dreyfus, Brad Hall, Mike Nichols, John Cusack, Laurie David, Cheryl Saban, Ellen DeGeneres, Harry Shearer, David Corn, Walter Shapiro, Byron York, David Frum, James Pinkerton, Eric Liu, Richard Bradley, Arthur Schlesinger Jr., Roger Lowenstein, Seth Greenland, David Mamet, Evan Smith, Tina Brown, Kevin Hassett, Marshall Herskovitz, Elizabeth Warren, Hilary Rosen, and Russell Simmons, to name just a few.