we have warren decker. he is from a university in fairfax, virginia. joining us from boston, a professor alan schroeder. he has 50 years of high risk tv. what makes a good debate and a good debater? >> i think the difference between a really good debate from my standpoint, intercollegiate debate, and debates we see at the presidential level is that a really good debate would be characterized by some depth of clash and arguments back and forth between the two. a lot of that is missing from presidential debate. the testing of ideas comes from that clash. without that clash, i think the debates to not serve quite the punch. in presidential debates, the primary function they serve is to fill in the blanks in between, give the challenger and opportunity to be on the same stage, as laura was indicating. they serve a valuable function. comparing them to the types of debates at the collegiate level is unfair, i think. >> alan schroeder, you called this a high risk television. why? >> it is a television show more than a traditional debate. a debate is the word