How The Desperate Norwegian Salmon Industry Created A Sushi Staple : NPR

Salmon is a staple of sushi now, but it used to be unheard of in Japan to eat raw salmon. The story of how Norway convinced Japan to love salmon sushi.

http://www.npr.org/2015/09/18/441530790/how-the-desperate-norwegian-salmon-industry-created-a-sushi-staple