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guest Chef Mario Batali, speaks to press during a press preview in the State Dining Room of the White House, in advance of the State Dinner in honor of the Official Visit of Prime Minister Matteo Renzi and his wife, Mrs. Agnese Landini, of Italy. Chef Batali served a sample from the menu to press of Sweet Potato Agnolotti with Butter and Sage. in Washington, DC, USA, on October 17th, 2016. (Photo by Cheriss May/NurPhoto via Getty Images)

guest Chef Mario Batali, speaks to press during a press preview in the State Dining Room of the White House, in advance of the State Dinner in honor of the Official Visit of Prime Minister Matteo Renzi and his wife, Mrs. Agnese Landini, of Italy. Chef Batali served a sample from the menu to press of Sweet Potato Agnolotti with Butter and Sage.     in Washington, DC, USA, on October 17th, 2016. (Photo by Cheriss May/NurPhoto via Getty Images)