Number of years from the signing of the Declaration of Independence that marijuana was legal in the U.S.: 161 (Source: World Book Encyclopedia.
Number of years that marijuana has been illegal in the U.S.: 73 (Source: World Book Encyclopedia).
Number of U.S. presidents represented on Mount Rushmore who admitted to smoking marijuana in their lifetimes: 4 of 5 (Source: National Archives).
Percentage of U.S. presidents believed to have smoked marijuana in their lifetimes: 30 (Source: SparkReport.net).
Number of agencies besides the government-run National Institute on Drug Abuse that are allowed to grow cannabis for research: 0 (Source: U.S. Department of Health and Human Services.)
Number of California cities and counties that have banned or passed moratoriums on medical-cannabis collectives: 238 (Source: June California Watch article.
Tax revenue (in dollars) realized by Oakland for every $1,000 of medical cannabis sold in the city: 18 (Source: City of Oakland).
Estimated revenue (in billions of dollars) California would realize annually should the state legalize cannabis: 1.4 (Source: California Board of Equalization).
Estimated annual cost to California taxpayers (in billions of dollars) of 20,000 public-school teacher salaries: 1.4 (Source: Marijuana Policy Project).
Number of Montana medical-cannabis ID cardholders in 2009: 3,000 (Source: Montana Department of Justice).
Number of Montana medical-cannabis ID cardholders in 2010: 15,000 (Source: Montana Department of Justice).
Amount of prison time (in months) Gossip Girl actor Chace Crawford faces after being arrested in Texas for allegedly possessing one unlit joint: 6 (Source: Texas Penal Code).
Amount of prison time (in months) Chace Crawford would face if he were arrested for unlawfully firing a handgun inside a Texas shopping mall: 6 (Source: Texas Penal Code).
Percentage of 2009 Texas homicides in which a firearm was used: 64.8 (Source: Bureau of Justice Statistics).
Percentage of 2009 Texas overdoses from marijuana use: 0 (Source: National Institute on Drug Abuse).
Estimated prohibition enforcement savings (in billions of dollars) to federal government annually should cannabis be legalized: 7.7 (Source: 2005 Harvard study).
Israel’s defense budget (in billions of U.S. dollars) for 2007: 7.7 (Source: Israel Defense Ministry).
Estimated federal revenue (in billions of dollars) marijuana could generate annually if it were taxed and regulated like tobacco and alcohol: 2.4 to 6.6 (Source: 2005 Harvard study).
Number of lawsuits filed against Los Angeles by caregivers and patients over the city’s medical-marijuana ordinance as of June: 20-plus (Source: June National Public Radio report).
Estimated number of workers who lost their jobs when L.A. closed 439 cannabis clubs in June: 3,250 (Source: The Los Angeles Independent).
