Every four years a time comes when suddenly everyone is an expert on the rustbelt, has an opinion on Ohio and talks confidently about Florida’s shifting demographics. Chatter at Islington dinner parties is about whether Trump, Farage or Boris is the one they would least like to encounter at their next soiree. Whilst in red wall pubs, many debate which one they most admire for standing up for themselves. A US Election is a very different experience to one here. Big money, means big advertising campaigns. In key states, every ad break and social media outlet will be wall to wall political ads, m…