It should need no explanation, but it does. For many it will be too simple -- "I already knew that." But not for everyone so here it is.
Smoot, meet Hawley. Hawley, Smoot. Get out there and cause the Great Depression, you two. Don't people read history?
Smoot, meet Hawley. Hawley, Smoot. Get out there and cause the Great Depression, you two. Don't people read history?