Two bullets have the potential to change the world. One pierced the heart of Trayvon Martin on a rainy night in Florida early last year; the other penetrated the head of Malala Yousafzai on Oct.9, 2012. Trayvon died the night he was shot, while Yousafzai recovered from critical condition to triumphantly address the United Nations last week. It is my hope that Ms. Yousafzai’s passionate speech can help transform the conversation about equality, justice and education. Let me explain.