Reuters/Brian SnyderThe uber-conservative advocacy group PragerU officially infiltrated another state’s classrooms on Thursday, with the New Hampshire Board of Education voting unanimously to allow a portion of their content to be used by students.New Hampshire is now the third state to approve PragerU material this summer, but its agreement with the right-wing non-profit appears to vary significantly from how Florida and Oklahoma schools plan to use its material. While the breadth of PragerU Ki