As part of CNN 's coverage of London 2012 , World Sport presenter Don Riddell will be presenting a live webcast on CNN.com and CNN iPhone and iPad apps on Wednesday at 5.30pm GMT , 6.30pm CET , 1.30pm ET . 2012 Summer Olympics in London just four months away . Pose your thoughts on the Games to CNN World News 's Chris Riddell . Riddell hosts a live webcast on CNN.com , CNN Mobile and iPad apps Wednesday .
2012 Summer Olympics in London just four months away . Pose your thoughts on the Games to CNN World News 's Chris Riddell . Riddell hosts a live webcast on CNN.com , CNN Mobile and iPad apps Wednesday .