In a week in which we mark the 40th anniversary of the first broadcast of Sesame Street, I find myself thinking about how we perceive numbers. On that show "The Count" taught elementary math skills and many a chest swelled with pride the first time junior learned to count all the way to ten. The number ten itself holds a special significance, primarily because our decimal (or base ten) system was derived from the ten fingers that most of still use occasionally to tally things. As a result of our anatomy, ten is a number that we usually associate with superlatives as in "a perfect ten".
There