couric: good evening, everyone. this is a special edition with fewer commercials and more news. it was said that everything changed on 9/11. one thing that certainly did was the attitude of many americans towards islam and muslims. and the country has been struggling with this ever since. the debate over whether an islamic cultural center should be built near the site of the world trade center, a pastor in florida threatening to burn copies of the koran on the anniversary of 9/11, and now an uproar over controversial remarks about muslims by a commentator for the fox news channel, juan williams. williams also worked as a news analyst for national public radio before being let go last night for comments he made on fox. but when i get on a plane, i gotta tell you, if i see people who are in muslim guard, and i think they re identifying themselves first and foremost as muslims, i get worried. i get nervous. reporter: and for saying that, juan williams got one more thing f