Now the posh party for London’s middle class and elite, it has turned its back on its core voters – and the numbers prove it 27 September 2025 6:00am BST Daily Telegraph Link In the 1990s, when the New Labour project was taking off and its middle-class politicians were coming to prominence, there was a commonly heard joke at political events, which eventually spread to the country at large. Peter Mandelson – then a middle-class poster boy for New Labour – had supposedly visited a northern chippy and asked for guacamole with his fish and chips, not realising that he was in fact pointing at a tray of mushy peas. This made-up story always got a good laugh because of the clash between Mandelson’s very middle-class background and his working-class party. Mandelson – Labour’s new MP for the historic working-class town of Hartlepool at the time – was still viewed as an anomaly who stood out in a party still entwined with the industrial trade union movement. A variation of that joke would...