Billings Police and Fire Departments investigate the scene of a firebomb that was thrown through the front door of Montana Therapeutics, a medical marijuana store early on Monday, May 10, 2010 in Billings, Montana. The fire was quickly put out and Billings police were investigating. On September 28th, 2010, the Billings City Council voted to extend for a year its moratorium on any new medical marijuana businesses. The city has issued more than 80 existing business licenses for the stores. (AP Photo/Billings Gazette, Billings Gazette)
Mexican soldiers stand in formation as 46 tons of marijuana is incinerated at a military base in the border city of Tijuana May 11, 2010. (REUTERS/Jorge Duenes)
