I am sure that Castro. realizing the United States will require clear ground rules. is now hesitating. Certainly a continuation of the Dunkirkstyle evacuation cannot be allowed. Greater Miami. which has already demonstrated its compassion by absorbing many thousands of Cuban exiles. understandably does not know what to expect. South Floridians and the Nation should get some answers and the United States should spell out its requirements. The Miami Herald has commented on the subject with cogency and restraint. I ask unanimous consent that an editorial entitled. "Clear Up the Refugee Muddle" be inserted in the body of the RECORD at this point of my remarks. .