Drug Enforcement Administrator Michele Leonhart and her boss, Attorney General Eric Holder, appear locked in a bureaucratic staring match over the Obama administration's attempt to reform the way the federal government approaches criminal justice and punishment.

For Holder and for President Barack Obama, sentencing reform has become a critical, second-term legacy item, as they aim to bend the arc of incarceration policy away from a federal system well practiced at imprisoning drug offenders for as long as possible. But those efforts are colliding with institutional resistance from law enforcement officials with a single-minded focus and, perhaps, turf to defend.

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