Left, white, left, white! Soldiers enjoy a huge snowball fight after medals cermony

By GAVIN ALLEN Small arms fire: The Royal Dragoon Guards, having received their operational medals on return from Afghanistan, close the ceremony with a snowball fight at York Race Course Christmas is not the time for tales of closed airports, motorway tailbacks and cancelled trains - it is the time to think warm thoughts when it's cold outside.Amid all the testimonies of travel mayhem, it's easy