This is one of the biggest problems in any discussion of this type. Each side, at least the more radical, are always accusing the other of using biased sources.
Finding a true unbiased source, at least that will be accepted as such by all, is very difficult. But at the same time having all of these different sources with a different take on a subject should at the very least present us with a position that is not settled. Some others in the world actually take a position and no matter what is said against that position accept nothing that does not support their position. When I encounter such, mostly elsewhere, I wonder if they are being intellectually honest with themselves. As an example many of the comments posted at Huffington fall into this category.