By Walt Hickey Welcome back! Dutch The Netherlands is a major exporter of potatoes, producing some 4 million tons annually and exporting about a quarter of those. However, all the restaurants of Europe that serve patat or pommes frites or, I don’t know, French fries have closed down since the middle of March, and the country is facing a tater glut the likes of which has been unseen in ages. Growers are staring down a stock of 1.5 million tons of potatoes, and about two-thirds of them won’t be sold. A Dutch farmer who normally sells potatoes at around