It seems that a wide swath of Americans could use a refresher on Civics 101.

Less than half of the 1,000 people recently surveyed by the American Bar Association on civic literacy—49%—correctly named John Roberts as the chief justice of the U.S. Supreme Court. Try not to be offended, James Madison, but 18% said the first 10 amendments to the U.S. Constitution, your handiwork, are called the Declaration of Independence instead of the Bill of Rights. (6% identified them as the Ten Commandments). And slightly less than three-quarters correctly identified the president as the commander-in-chief of the military.