Students Know Less After 4 College Years Harvard Gets D+ on Civics Quiz By ANNIE KARNI Staff Reporter of the Sun September 19, 2007 Students at many of the country's most prestigious colleges and universities are graduating with less knowledge of American history, government, and economics than they had as incoming freshmen, with Harvard University seniors scoring a "D+" average on a 60-question multiple-choice exam about civic literacy. According to a report released yesterday by the Intercollegiate Studies Institute, the average college senior at the 50 colleges and universities polled did not earn a passing grade. "At the most expensive...