Uncertainty continues to loom over destiny of Cole Memo in Trump's Administration

The Trump administration is continuing to weigh whether or not to reverse Obama-era guidance that generally allows states to legalize marijuana without federal interference, the Justice Department's number two official said on Thursday.

"We are reviewing that policy. We haven't changed it, but we are reviewing it. We're looking at the states that have legalized or decriminalized marijuana, trying to evaluate what the impact is," Deputy Attorney General Rod Rosenstein said in an appearance at the conservative Heritage Foundation.

"And I think there is some pretty significant evidence that marijuana turns out to be more harmful than a lot of people anticipated, and it's more difficult to regulate than I think was contemplated ideally by some of those states," he said.

Under the so-called "Cole Memo," named after the former Obama Justice Department official who authored it in 2013, the federal government set out certain criteria that, if followed, would allow states to implement their own laws mostly without intervention. Those criteria concern areas like youth use, impaired driving and interstate trafficking.

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