The American Federation of Senior Citizens seems to be running a (very slick) scam : Beware of a large brown envelope, like the one received recently by reader Robert W. of North Merrick, from the American Federation of Senior Citizens. It's intended to scare the hell out of you and take your money. And it could be a violation of the law. The envelope proclaims, in large black lettering, " Your Social Security Preservation Card Must Be Signed And Dated Within The Next Ten Days. Influence Congress ." The letter inside urges you to sign the " Social Security Preservation Card " if " you want your Social Security benefits to continue ." The letter asks: " Do you want your Social Security check to be guaranteed - without a threat that it could bounce because of insufficient funds ?" This twist on the Social Security fright mail that's been coming for years from right-wing networks is preposterous on its face, but some people will be frightene...