Reports of iPhones exploding, starting fires and killing people in cold blood have been around since the inception of the handset. They've also been relatively sporadic, seemingly short on evidence, and Apple hasn't given complaints much credence or response. So when we heard a story from France the other day about a security guard's iPhone "exploding" and sending a shard of glass into his eye (though apparently not serious enough to warrant a hospital visit), it was a little hard to believe, but with a few other stories of cracking screens due to overheating cropping up in Europe over the past couple weeks, French authorities have taken an interest in th