This past Halloween, an explosion along the Colonial Pipeline, the largest gasoline pipeline in the U.S. disrupted the energy supply along the Eastern seaboard. The accident was the sixth that year for the Alabama company that owns the pipeline. Christopher Leonard, a journalist and senior fellow at the New America Foundation, discusses, “A Pipeline Runs Through It,” (Online: "A Blade Strikes Steel, and the Blast Shocks a Nation’s Energy System") his cover story for Bloomberg Businessweek. He investigated the questionable safety of pipelines, the hazards they pose to communities, the corporations that own them and the fragility of America’s energy system.