Ninety percent of people's nightmares is standing in front of 1,000 people. Did you know that? And having to speak. You would have thought it would have been a madman tying you up and taking your eyes out. ↗
All three networks have always had a morning show but now cable of course is taking some of that audience away and a variety of other things, probably the Internet as well. ↗
For simplicity one can think of the + class as having one extra base at some point or other in the genetic message and the - class as having one too few. ↗