Economics: tortilla prices cause stores like Fiesta to sell local
American products, like apple pie; whereas, Walmart now sells
tortillas.
NPR article: http://www.npr.org/templates/story/story.php?storyId=6898817

Charlie Wilson's War:

Charlie Wilson: You mean to tell me that the U.S. strategy in Afghanistan is to have the Afghans keep walking into machine gun fire 'til the Russians run out of bullets?
Gust Avrakotos: That's Harold Holt's strategy, not U.S. strategy.
Charlie Wilson: What is U.S. strategy?
Gust Avrakotos: Most strictly speaking, we don't have one. But we're working on it.
Charlie Wilson: Who's 'we'?
Gust Avrakotos: Me and three other guys.

(many others)