When people hear the word graffiti, many no doubt think of vandalism, but these days a growing number of enthusiasts are calling it art. Rita Braver tours a N.Y. museum exhibit of graffiti, some of which is worth upwards of $100,000.
Americans are used to seeing dead statesmen on their money. But abroad, you'll find colorful and creative bank notes celebrating birds, beasts, technology and even sports. So is a change in the U.S. dollar's iconic look on its way? Rita Braver finds out.
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