Dreamworks CEO hopes latest movie How to Train Your Dragon will be a box office winner

It has been a good decade for animated films for the family. How to Train Your Dragon comes from the stable of one of the two biggest animation studios, Dreamworks, the maker of Shrek, Madagascar and Kung Fu Panda. Jeffrey Katzenberg, the founder and chief executive of Dreamworks is also a former chairman of The Walt Disney Studios. When the BBC's Evan Davis caught up with him the conversation drifted towards how the latest in the How to Train Your Dragon series plays on themes that are very alive in everyday life. Hiccup the young protagonist has an absent mother and lives with his father, so was the aim to deliberately tackle themes that would be strikingly real to some viewers?