Get learned-up with PBS tonight. Sarah's also on (thump-thumpa :-)), and late night TV is strong tonight. 8:00pm Wired Science PBS/KCET - This is a cool show. While I'm not enamored of the bizarre enormous set that the hosts saunter through, each of the pieces are very well done. In particular, tonight check out the "ball busters" segment which is about the testing and certification of baseballs for MLB. TV Junkie 8:00pm Pick 8:00pm Pushing......