by John Stossel Have you gotten a letter that says, 'You may be entitled to compensation'?I get a bunch. One claimed my union (New York State forced me to join) probably cheated me on medical insurance. I didn't think they did, but I filled out the forms.I got a check for $557. Great! Except ... my lawyers pocketed $7 million. How is that fair? Likewise, lawyers accused the Boston...