Ralph, the Train Dispatcher #5

‘He’s done it!’ shrieked Grizzly, as the return message conveyed to his expert ear the sure token that Ralph had shrewdly, secretly outwitted him. ‘Did you send a message?’ he yelled at Ralph, both fists raised warningly while his eyes glared with baffled fury. ‘That is what I’m here for,’ replied the young railroader tranquilly. ‘You better try to undo what you have already done.’