SF Weekly:  “Your credit is no longer any good at California medical marijuana dispensaries, whose accounts with credit card processors have been canceled, thanks to pressure from the federal government.  Merchant services providers — the intermediaries between retailers and credit card companies who process customers’ payments — began informing their medical marijuana dealing clients that cannabis credit card transactions would not be processed after July 1, according to Stephen DeAngelo, Executive Director of Oakland’s Harborside Health Center.”