Robert Wright of the New York Times last week put together a wonderful piece on the scriptures and the controversial passages in each. He stressed the importance of contextual interpretation vs superficial biased quotations to demonize, which can be directed at any one of the religious scriptures in our world. I found it highly enlightening and urge everyone to take a look at it:

http://opinionator.blogs.nytimes.com/2010/09/14/the-meaning-of-the-koran/