War makes great fertilizer for legends. The worse the fighting gets, the more people cling to stories that prove human beings haven't completely forgotten how to act like human beings. The Christmas Truce of 1914 is one of those stories: a rare moment of peace in one of the ugliest wars in history. But over the last century, the truce has picked up a lot of baggage. Along the way, there was one big soccer match, everyone along the Western Front joined in, and it became a magical day when World...