LONDON (Reuters) - It's the Santa Clause and its aim is to root out substandard Santas. ADVERTISEMENT Jolly, bearded Father Christmas has been ordered to clean up his act or be forced to hang up his trademark red suit. "We are trying to eradicate shoddy Santas," James Lovell of the Ministry of Fun agency told Reuters the day after a secret summit of Santas drew up guidelines for girth, beard length, attire, footwear and general demeanor. "Santa is a magical and cuddly man, not a fat, smelly slob," said Lovell, whose agency fills 500 Santa positions a year. "I even...