Rob Lowe: Newt Gingrich on set of 'Parks & Rec'

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Gingrich will only be the latest high-profile political star dropping by "Parks and Rec" this season. Sens. John McCain (R-Ariz.), Olympia Snowe (R-Maine) and Barbara Boxer (D-Calif.) appeared in the premiere, and Vice President Biden filmed a scene that aired earlier this month.