The issue focused on gun laws in general, but came up during the discussion of legislation that would legalize medical marijuana in Colorado. Lawmakers called for tougher regulations and enforcement of federal law as they discussed legalizing medical marijuana in the state.

On Tuesday, Attorney General Eric Holder announced that federal prosecutors will not sue to block legalization efforts in Washington and Colorado. He said there was no legal basis for prosecution and federal officials were waiting for state regulatory agencies to provide clear guidance about how to enforce federal law.

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