The Duchess of Edinburgh was moved to tears this week as she made a rare comment about her two children, Lady Louise and James, Earl of Wessex . Sophie and Edward chose not to give their daughter and son a royal title at birth and very rarely speak about their private family life. But the proud mum opened up about Louise, 21, and James, 17, during a visit to L'Arche - a south London community of "friends and equals" made up of people with learning disabilities and their supporters. While there,