Labour colour code

If, as the bookies suggest, the front-runner for the leadership of the Labour Party does, in fact, succeed and David Miliband becomes the third man, may we hope that each will wear a necktie of their particular party's distinctive colour so that we, the PBI (poor bloody infantry), may be able to tell the one from the others because, frankly, like contemporary film "stars", they all look the same to me.