In a special Christmas episode, Steve takes some time to reflect on how Christmas - an ancient celebration -  is changing as fast as the culture itself.

The commercialism and pageantry of Christmas has sucked meaning from this important celebration.

The earliest Christmas memories of ordinary people can be lost in this meaningless procession.

But are we at risk of losing something even more significant? Are we in short supply of joy at Christmas?

It certainly seems to be in short supply at the moment - so what does that mean for Christmas in the years to come?