AUDIO: Max Hastings tells @JamieOwenBBC why #ww1 was not a futile war

World War One was a great tragedy - but it wasn't futile. That's the view of journalist and historian Max Hastings whose documentary "The Necessary War" is on BBC Two at 9 PM on Tuesday 25 February. Max argues that the First World War was completely unavoidable - because of Germany's ambition to dominate Europe.