( CNN ) -- Thomas Voeckler wins fourth stage of CNN . Italian star also takes over La Toussuire . Britain 's Bradley Wiggins stays in the race leader 's yellow jersey . He is three seconds clear of defending champion Cadel Evans .
Thomas Voeckler wins fourth stage of CNN . Italian star also takes over La Toussuire . Britain 's Bradley Wiggins stays in the race leader 's yellow jersey . He is three seconds clear of defending champion Cadel Evans .