By Matt Hardy With a General Election in full swing across the nation sports fans were treated to an epic weekend of action. So with so many events pencilled in across the next five years and numerous more beyond that, our politicians should promote sport to a priority talking point. City A.M. Deputy Sports Editor Matt Hardy writes. Treble 20. Treble 19. Double 12. That’s how an epic weekend of sport started in the capital as 17-year-old Luke Littler threw an iconic nine-darter at the O2 as the debutant won his first ever Premier League finals title. A record crowd watched on – and threw their…