A recent Gallup poll found that Americans are still largely supportive of the death penalty, with 6 in 10 in favor as punishment for murder. At the heart of the debate are many complicated questions. Within a flawed criminal justice system, is it possible to know every person’s guilt with a sufficient degree of certainty? Does the fear of death reduce crime? Are there race and class biases in sentencing? Are some crimes so heinous in nature that punishment by death is the only appropriate measure, or is capital punishment always immoral?

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