Throwing an elbow -- in your opponent's face or ribs -- is hardly rare in hockey, but the move is closely associated Gordie Howe, one of the sport's greatest ever players. Howe, known to many as "Mr Hockey," was notorious for using his elbows to ward off opponents when battling for the puck. "We're a country that will be diplomatic when we can -- but fight when we must: 'Elbows up!'" outgoing Prime Minister Justin Trudeau said to a cheering crowd of Liberal Party supporters in his farewell address in Ottawa on Sunday. Rising to their feet, the crowd chanted...