David Hockney show will be one of Tate Britain's biggest ever

Extensive retrospective in 2017 will cover six decades of artist’s work from early homoerotic paintings to recent LA piecesTate Britain is to stage one of the biggest shows it has ever organised – an extensive retrospective of the work of David Hockney, one of the most recognisable and popular artists active today.Details of the show, which will cover six decades of Hockney’s work, will be announced on Monday. It will open in London in 2017 before travelling to the Centre Pompi