Though college leaders constantly remind the public about the value of a college degree, graduates sometimes leave without important knowledge. As Americans celebrate the 4th of July holiday, it’s a good time to reflect on just how little college students know about the Declaration of Independence and American history. The data are depressing. A 2016 report from the American Council of Trustees and Alumni called the lack of knowledge “a crisis in civic education.” Surveying over 1,000 liberal arts colleges, ACTA found that only 18 percent require an American history course for graduation. Almost 40 percent of college graduates didn’t...