|I'm not sure where to put this article, but I found it a good read for anybody who wonders what it's like to be in the audience while AI is filming. I think it's surprising what we see on screen as opposed to what really happens behind the cameras. What You Don't See On Camera|
None of that surprises me. AI is a controlled environment. I'd even go further by saying they probably request a younger demographic for the audience because they're prone to cheer louder for the contestants.
Paula and Kara not speaking doesn't surprise me in the slightest. They're both pretty women that crave attention and the spotlight. I'd be willing to bet that they each feel threatened by the other's presence.