By Keir Starmer I have dedicated my working life to public service and the fight for a better future. As a lawyer before being elected to Parliament, I fought for families trying to escape mould-infested accommodation. In Northern Ireland, I helped the new police service bring communities together after the Good Friday Agreement. And at the Crown Prosecution Service, I led efforts to lock up drug smugglers and al-Qaeda terrorists. But four years ago, I took on my biggest job yet when I was elected to lead the Labour Party – which was the honour of my life. It was a daunting prospect. Just four…