Who blew up the Nord Stream gas pipelines? Pulitzer-prize-winning American journalist Seymour Hersh, in an expose published online on February 8, cited a source with "knowledge to the operational planning" to claim that it was a covert operation carried out on demand of the White House. The Nord Stream pipeline sabotage is a bombshell story, but mainstream media coverage has been scant. Why did "respectable" Western media ignore Hersh's scoop? Is there a conspiracy of silence in the West?