InsideClimate: In the six months since an ExxonMobil pipeline unleashed Canadian oil in an Arkansas neighborhood, nearby residents have had much to endurethe muck and stench of heavy crude, lengthy evacuations, sickness and economic loss.
They've also been in the national spotlight, as the upheaval in tiny Mayflower, Ark., has come to symbolize the risks of aging and overlooked oil pipelines, especially when they're hundreds of mile long and carrying tar sands crude. From Illinois through Texas, many people...