(The de Feijters on the dyke protecting their farm) A photograph of a grinning boy, riding a toy tractor, has pride of place in the kitchen of Aarnout and Magda de Feijter, the owners of a 148-acre farm in the Dutch province of Zeeland. The picture is of their first grandson, Louis, and the de Feijters have always dreamed that he will one day take over the expanse of wind-rippled flax fields that has been in their family since 1835. But there are other plans. In the name of European Union environmental directives, their farm is earmarked for flooding -...