Is Herman Cain a serious candidate? On the right, Hugh Hewitt thinks Herman Cain should be excluded from future debates. On the left, Jay Bookman says Cain is not Presidential material.I'll break it down for you tonight on the Erick Erickson Show on WSB starting at 7:05 p.m. ET. You can listen live at http://wsbradio.com and call in at 1-800-WSB-TALK.I'll also be talking about the debt ceiling, the Gang of Six becoming the Gang of Five, etc.Consider this an open thread.