Everybody knows (I hope) the story of The Little Engine that could. He of "I—think—I—can, I—think—I—can" fame. In this day and age where steam trains are becoming less and less one tends to wonder what else you can use as reference for that story. Well, that is until you watch a harbour tug push and pull a humongous ship into position. Now there's some inspiration for a more modern age story called The Little Tug that could.