Jake Humphrey is at Spa-Francorchamps for the Belgian Grand Prix, as Formula 1 returns after a month-long summer break. Mark Webber leads the standings having won four times this season - twice as many victories as anyone else. Can the Australian Red Bull Racing driver increase his advantage this weekend? Britain's Lewis Hamilton, just four points behind him, will hope not. Commentary comes from Jonathan Legard and Martin Brundle with Eddie Jordan and David Coulthard.