.UNIT3 A PILL TO FORGET(CBS) If there were something you could take after experiencing a painful or traumatic event that would permanently weaken your memory of what had just happened, would you take it? As correspondent Lesley Stahl reports, its an idea that may not be so far off, and that has some critics alarmed, and some trauma victims filled with hope. I couldnt get my body to stop shaking. I was trembling, constantly trembling. Memories of it would just come back, reoccurr