“Vikings: Valhalla” Creator Jeb Stuart on Bringing a Little “Die Hard” Energy to the 11th-Century

Jeb Stuart’s Vikings: Valhalla, opens on a massacre in England. The victims, this time, are Vikings — a colony of Scandinavian descendants living on English soil since their raiding forebears put down unexpectedly peaceful roots. But a couple of generations down the line, King Aethelred (Bosco Hogan) is angrily denouncing an alleged Viking problem to ...