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WASHINGTON, DC - JANUARY 25:  Sen. Jeff Flake (R-AZ) delivers remarks during the U.S. Conference of Mayors 86th annual Winter Meeting at the Capitol Hilton January 25, 2018 in Washington, DC. Flake spoke during the conference's Childhood Obesity Prevention Awards Luncheon which was sponsored by the American Beverage Association, whose members include producers and bottlers of soft drinks, bottled water, and other non-alcoholic beverages. The non-partisan conference of mayors from cities with populations of 300,000 or larger meet annually in Washington, DC.  (Photo by Chip Somodevilla/Getty Images)
WASHINGTON, DC - JANUARY 25:  Sen. Jeff Flake (R-AZ) delivers remarks during the U.S. Conference of Mayors 86th annual Winter Meeting at the Capitol Hilton January 25, 2018 in Washington, DC. Flake spoke during the conference's Childhood Obesity Prevention Awards Luncheon which was sponsored by the American Beverage Association, whose members include producers and bottlers of soft drinks, bottled water, and other non-alcoholic beverages. The non-partisan conference of mayors from cities with populations of 300,000 or larger meet annually in Washington, DC.  (Photo by Chip Somodevilla/Getty Images)

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