Clarkson's tallies -- his eighth and ninth of the season -- boosted the Eastern Conference-leading Devils to a home-and-home weekend sweep of the Penguins.
Tomas Vokoun was touched for three goals on 23 shots as Pittsburgh was humbled by the Devils for a second time following a five-game winning streak.
James Neal provided Pittsburgh's only goal.
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Attkisson leaves CBS News, reportedly over network's 'liberal bias'