The reverberations from the Epstein files go further than British politics, but the final fall of the ‘prince of darkness’ could take Keir Starmer down too, writes John Rentoul P eter Mandelson always cast a spell. That spell would sometimes be broken, but then somehow he would work the magic again . When he first started working for the Labour Party in 1985, he was unlike anyone else in politics at the time. Journalists were drawn magnetically to him, for his waspish charisma and because they