Gripping documentary follows Jens Stoltenberg through his final year as Nato chief – balancing diplomacy, egos and all-out war with unnerving calm Gripping documentary follows Jens Stoltenberg through his final year as Nato chief – balancing diplomacy, egos and all-out war with unnerving calm J ens Stoltenberg is the Norwegian politician and international diplomat whose destiny it was to be secretary general of Nato in the second most fraught period of its postwar history (if we accept that the