You hear a lot of talk these days about secret weapons. If it's not a new wrinkle in nuclear fission, it's a gun to shoot around corners and down winding staircases. Or maybe a nice new strain of bacteria guaranteed to give you radio-active dandruff. Our own suggestion is to pipe a few of our television commercials into Russia and bore the enemy to death. Well, it seems that Ivar Jorgensen has hit on the ultimate engine of destruction: a weapon designed to exploit man's greatest weakness. The bl