BBC's Christmas programmes not all ho-ho-ho

Festive specials with Mo Farah and Fabrice Muamba lift spirits despite Call the Midwife baby emergency and glum Doctor WhoA tear-jerking Call the Midwife special and a sombre yuletide instalment of Doctor Who mean this may not be an entirely merry Christmas on the BBC, which has unveiled its highlights for the festive season.Ratings phenomenon Call the Midwife – which became the BBC's most successful new drama series in a decade at its launch early this year – features, appropriately enough, a baby born in difficult surroundings in a special Christmas episode."For something to be feelgood it doesn't have to make you deliriously happy, it has to touch your heart in a deep way. And for me that's what Christmas is all about," said Heidi Thomas, writer and creator of the show, which is based on Jennifer Worth's memoirs of practising midwifery in the East End during the 1950s."But ul...