The taxpayer advocate, Nina Olsen, runs an independent office within the IRS. She got access to the data as part of an effort to learn more about why some taxpayers are more likely to cheat than others.

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Kids need to learn that sometimes their competitors in business and in life will cheat to get their way.

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They are completely optional and include an easily-accessible cheat sheet to help you learn or remember how to use 'em.

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