Wes Streeting has said leaving the European Union was a “catastrophic mistake” and the Vote Leave campaign “deluded itself” that the UK could forge a free trade “nirvana”. The Ilford North MP took aim at Brexit in his first public appearance since resigning as health secretary as he set out his fledgling policy platform for a run at the Labour leadership. Mr Streeting, speaking at the Progress think tank’s conference in London on Saturday, said Britain must pursue a new special relationship with the EU. He signalled that he wanted to see the country rejoin the trade bloc in the future. Moving closer to Europe was the first of three major policy ideas Mr Streeting floated. Voters backed leaving the bloc by 52% to 48% in the 2016 referendum. In his speech, Mr Streeting also called for a debate over what type of capitalism his party wants and how the UK creates and benefits from economic growth. Thirdly, he insisted the UK must not treat the destruction of shared truth as inevitable. Mr Streeting said …