CNN staffer to ‘tweet’ during London Marathon

The race will be hard enough without the rain that’s in the forecast, but one participant in Sunday’s London Marathon is challenging himself further by planning to "tweet" while he runs. Pete Wilkinson, a digital news producer at in London, says he has no idea whether his plan will work — and whether he’ll even be able to type out the updates into his mobile phone and send them to his Twitter account, but he’s going to try anyway