<iframe src="http://www.npr.org/player/embed/280789217/280794681" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
For this week's wisdom, or sabiduría, we go back and hear from worker's rights legend Cesar Chavez. He discusses change that can arise from boycotts, but the ideas involved can go much further.
NPR thanks our sponsors
Become an NPR sponsor