Spending more than 15 weeks on the New York Times bestseller list in hardcover, George Carlin, the thinking persons comic, has made it very clear how successful he is at the transition from stage to page.In Napalm and Silly Putty, Carlin's characteristically ironic and hilarious take on life shines through. He asks: How can it be a spy satellite if they announce on TV that it's a spy satellite? Why do they bother saying "raw sewage"? Do some people cook that stuff? In the expression "topsy-turvy, " what exactly is meant by "turvy"?