catholic that there was a real knowledge gap about islam. >> right. i mean, we found that only about half of americans can name that the koran is the holy book of islam. only about half know that ramadan is the holy month. we just spent about a month in america having this conversation about the burning of koran. and what we know is half the americans are scratching their heads and wondering, well, what's the koran? is it a novel or something somebody wrote in the middle east? they don't even necessarily know what it is. it's hard to have a national conversation about islam when we have such a knowledge deficit when it comes to the muslim tradition. >> it's a fascinating study and well worth reading through. thanks so much for being with us. we really appreciate it. >> thanks. >> if you want to test your knowledge, by the way, about religion, take the interactive quiz at cnn's belief blog at cnn.com/belief. see how much you know about religion this morning. >> sounds good. well, meanwhile, it's 31 minutes past the hour. time for a look at this morning's top stories.