CNN is actually anti-Iraqi war......as they were left leaning.
Howard Kurtz says the media still labors under the burden of the mistakes it made in 2003 in failing to reflect skepticism about the Iraq war
edition.cnn.com
And CNN is known to hire Middle Eastern Activists such as Octavia Nasr, which ironically was fired by CNN for her supportive message on Hezbollah leader using CNN blog after public pressure, similar to what Chris Cuomo went thru last year before the cut.
en.wikipedia.org
On the other hand, both CNN and Fox are actually fringe media, they don't have that big of a following and both were not considered mainstream in the US.