A divorce is not an easy thing: especially when it’s a divorce from the European Union. Diplomats in London and Brussels are getting ready to clash over the separation terms, as Brexit talks are due to start in less than a month. Both sides are standing their ground for now, but who will be the first in the talks to budge? Who loses out most if no deal is reached? And, does the EU need Britain more than Britain needs the EU? We ask the chairman of the Royal Bank of Scotland, former director of the London School of Economics – Sir Howard Davies.