Patriotism has always been the most abstract of American virtues--which may be why we fight so ferociously over the symbols that help us define it. Too often those symbols--flags, anthems, slogans--which are meant to unite us, end up dividing us.
To many people, the meaning of patriotism is simple: love of country. But love of a country that is dedicated to a proposition, not a king or a religion--a nation that is based on ideas, not blood--has always created a different kind of citizen. American patriotism expresses itself most truly in actions, not words. Our patriotism shapes our responsibilities as citizens,...