September 11, 2001. The intense, dramatic images are seared into our collective memory. Several years later, a proposal to build an Islamic mosque and cultural center on the World Trade Center site ignited a national controversy that has smoldered ever since. Today there are plans to build a 43-story luxury condominium instead. As we hear in this encore essay by Bill Miles, what has become known as 9/11 has produced a complicated legacy of ideological and political challenges and, most importantly, continues to teach us profoundly important lessons about tolerance.