The joke is that, in John Steinberg's home, they know an awful lot about Vikings.
On one side you have his wife, Andrea Kremer, whose job requires her to be an expert on the Minnesota Vikings (and the other 31 National Football League teams) as a reporter for NBC Sports' football coverage.
And then there's Steinberg, a senior researcher at the University of Massachusetts at Boston, who is one of the world's foremost specialists on the real Vikings, the tough-guy (and girl) Scandinavian peoples who really knew how to blitz.
Steinberg, 41, has been exploring archeological sites in Iceland since 1999, and for the last two years has led the Skagafjord Archaeological Settlement Survey, which seeks to study the evolution of settlements in a northern fjord for clues as to how Iceland evolved from the era of Viking chiefdoms into a more organized central government.
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