Our guest on today’s (new! improved! weekly!) Modern Notion is Gordon Edgar, the longtime cheesemonger at Rainbow Cooperative Grocery in San Francisco. Gordon turns his attention to a specific kind of cheese in his new book, Cheddar: A Journey to the Heart of America’s Most Iconic Cheese (Chelsea Green, October 2015). In the midst of a cheese renaissance, Gordon wants to understand cheddar’s place in American culture.

Music this hour: