The polls indicate that of all the candidates vying to succeed Prime Minister Keir Starmer, the most popular is Andy Burnham. But before the current mayor of Greater Manchester can even throw his hat into the ring, there are a series of hurdles he has to overcome. For a start, a leadership contender has to be an MP. Labour’s rules state that before a candidate can be selected, their candidature must be approved by the party’s National Executive Committee (NEC). But only in January, a committee