Has the real meaning of America been lost?
When Donald Trump and his followers refer to "America," what do they mean?
Some see a country of white, English-speaking Christians.
Others want a land inhabited by self-seeking individuals free to accumulate as much money and power as possible, who pay taxes only to protect their assets from criminals and foreign aggressors.
Others think mainly about flags, national anthems, pledges of allegiance, military parades and secure borders.
Trump encourages a combination of all three -- tribalism, libertarianism and loyalty.
But the core of our national identity has not been any of this. It has been found in the ideals we share -- political equality, equal opportunity, freedom of speech and of the press, a dedication to open inquiry and truth, and to democracy and the rule of law.
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We are not a race. We are not a creed. We are a conviction -- that all people are created equal, that people should be judged by the content of their character rather than the color of their skin, and that government should be of the people, by the people and for the people.
Political scientist Carl Friedrich, comparing Americans to Gallic people, noted that "to be an American is an ideal, while to be a Frenchman is a fact."
That idealism led Abraham Lincoln to proclaim that America might yet be the "last best hope" for humankind. It prompted Emma Lazarus, some two decades later, to welcome to American the world's "tired, your poor, your huddled masses yearning to breathe free."
It inspired the poems of Walt Whitman and Langston Hughes, and the songs of Woody Guthrie. All turned their love for America into demands that we live up to our ideals.