“We make it extra easy for merchants to market to their customers,” says Danny Mikhail, CEO at the POS system software provider Zuza. Marketing services provide layer of protection for ISO and agent residual streams, and another selling point for prospects, he adds. Also this week, James addresses a question about how to deal with the prospect of state attorneys general taking issue with cash discounting and surcharging. Plus, Patti reports on new efforts to get Congress to address rising interchange.