Did you see the latest post on Miramar blog

cash and carry or don't
"Today's big story turns around the key exception to the US trade embargo with Cuba. For years, the US has allowed the sale of food and medicine to the island, but a rule change whould require that Cuba pay up front for it's $1 billion in annual food purchases."

He even provides a few links, but I have not checked them out yet. but what a relife to know that I am not the only crazy that see it.