Me, I'm just a radio mechanic. No genius, that is. But handy with a soldering iron. If it's genius you want, take my friend Bill Marra. He's a communications engineer—telephone, radio, or what have you. He's invented enough gimmicks so he doesn't have to work any more, just potters around his basement inventing more gimmicks. Thinking them up, actually, is all he does. Give him a screwdriver and a pair of pliers and he can wreck anything in five minutes. That's where I come in. He thinks 'em up,