public String getTupleTitle() {
   if (gaggleTuple == null) {
     System.out.println("The R Goose has not received a Tuple broadcast.");
     return "";
   }
   return gaggleTuple.getName();
 }
 // ----------------------------------------------------------------------------------------
 public void handleTuple(String source, GaggleTuple gaggleTuple) {
   System.out.println("tuple ready, " + gaggleTuple.getName());
   this.gaggleTuple = gaggleTuple;
   defaultSpecies = gaggleTuple.getSpecies();
 }