The same day that food manufacturer Nestle SA, which keeps its U.S. office in Rosslyn, announced a new KitKat chocolate bar made without refined sugar, it also was the subject of a blistering letter by U.S. senators demanding more federal action to combat alleged child labor and calling out some of the country's biggest chocolatiers.
The letter, sent Tuesday by Democratic Sens. Sherrod Brown of Ohio and Ron Wyden of Oregon, demanded that Department of Homeland Security Acting Secretary Kevin McAleenan…
