Railroad safety is in the national spotlight and it’s not likely to leave there soon.That’s not tremendously surprising given last year’s high-profile accidents and derailments. As I wrote last summer, there are some rail accidents that are so big that you just know they are going to have a profound impact on the industry for years, if not decades. Lac-Megantic, in Canada’s Quebec province, moved near the top of the list following the devastating runaway train, derailment and fire there.