If you don't already welcome Diamond Geezer into your RSS reader, stick him there now. One of the foremost chroniclers of our fair city, the Geezer should be permanently on the required-reading list of anyone who loves London. This month, he's surpassing even his own high standards with a series of posts about the road from Aldgate to Stratford. At the London Olympics, the marathon's last stage will pass along this ancient thoroughfare, to......