There have been no large-scale shipments of oil by rail in Maine since last October. But, in a story coming out today, the Maine Center for Public Interest Reporting says such shipments could resume at any time - and that much of the state remains unprepared for a rail oil disaster like the one with struck Lac Megantic, Quebec last July. MPBN Morning Edition host Irwin Gratz spoke with Marina Villeneuve, who researched and wrote the story for the center.