Marijuana plants grow indoors under lights at a Seattle, Washington, facility. Growing the plants for medical purposes indoors uses a large amount of energy for lights, air conditioning and other power draws. (Mike Siegel/Seattle Times/MCT)
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Marijuana plants grow indoors under lights at a Seattle, Washington, facility. Growing the plants for medical purposes indoors uses a large amount of energy for lights, air conditioning and other power draws. (Mike Siegel/Seattle Times/MCT) . MCT
Marijuana plants grow indoors under lights at a Seattle, Washington, facility. Growing the plants for medical purposes indoors uses a large amount of energy for lights, air conditioning and other power draws. (Mike Siegel/Seattle Times/MCT) . MCT

Politics & Government

August 29, 2013 6:35 PM

Feds won’t block state laws legalizing marijuana

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