"Uh Marshal, I thought you said you would get                               First they had to learn how to treat the animals.
  the mice?"
 

                                         
  Then they had to learn to give injections.                                        Then they got some sleep before the work started.
 
 

                                         
  Marshal is smiling.  It must be early in the                                      Dick is smiling too.  How can they be this happy?
  Summer.
 
 

  Finally someone is too busy for a photo op.
  Marshal performs a heart puncture.