Don’t know much about (American) history. Unfortunately, that’s not just lyrics from an old pop tune on the radio, according to a recent survey conducted by the Woodrow Wilson National Fellowship Foundation. As the nation celebrates “Presidents’ Day” (the federal holiday is, by law, officially George Washington’s Birthday) today, the poll reveals most American adults couldn’t pass the citizenship test required of those not born here to become naturalized citizens of the United States. The survey found that in the highest-performing state, Vermont, only 53 percent of the people were able to earn a passing grade for U.S.