What 13 states discovered after spending hundreds of thousands drug testing the poor

Thirteen states spent more than $200,000 screening federal-aid applicants for drugs last year. Only 338 people tested positive, according to data gathered by ThinkProgress.

In total, the states required more than 260,000 people to submit to drug screening or testing as a condition of receiving Temporary Assistance for Needy Families (TANF), which provides cash assistance to low-income people. In some states, not one person tested positive.

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