Whack-a-mole Expert: Mexican Drug Cartels Infesting US, Even Our National Parks

Actually, this is not new news, but apparently more people are noticing. 

Expert: Mexican Drug Cartels Infesting US, Even Our National Parks: "Lost in the rhetoric about illegal immigration are new reports that Mexican drug cartels have moved into the United States, gaining a major foothold here that may be the start of a permanent expansion onto this side of the border. They're even growing marijuana in our national parks, one expert says."