A Map That Shows the Dramatic Spread of Legal Weed in the U.S.
Looking at the recent spread of liberalized marijuana laws across the United States, it's hard not to think we're entering some kind of Weed Spring. The latest state to act is Maryland, where on Monday the state senate approved a bill legalizing medical marijuana by 42 to 4, sending it to Gov. Martin O'Malley, who is expected to sign it into law.


