Deterring Unwanted Calls - NYTimes.com Re "Call Me, Pay Fee," by James B. Rule (Op-Ed, June 22), proposing a fee system to deter nuisance calls: I have a simpler solution: a National Do Call Registry. One would sign up if one wished to receive all of these telemarketing and "robocalls." Otherwise, the caller would pay a fine. Why should we have to "opt out"?