I can understand wanting a person to speak for another point of view, but Juan Williams must not think about what he is saying. He sounds like he is just "reading his script" like a good actor should. A background voice could read the same lines.
See: Kristin Powers, Hannity & Colmes' Ann Coulter foil du jour. She's the Bizarro to Ann's Superman, but with better boobs and about half the brain power. I swear to god, every time Ann makes a good point, I can see Colmes pull a string on Kristin's back so she can spew out a talking point.