Yesterday, the Minnesota Supreme Court ruled that bong water can be considered a controlled substance, and that people caught in possession of said water can be prosecuted for possession of a drug mixture. Note: I am not making this up. The ruling stemmed from a 2007 home search in which authorities seized, among other items, a glass bong containing about two-and-a-half tablespoons of water that tested positive for the presence of methamphetamine. So what does this mean? According to Judge Paul Anderson,…