Piegate: the people who rise

I'm quietly fascinated by this "piegate" animated Gif of the attack on Rupert Murdoch yesterday:

Piegate
Mostly, I'm fascinated about the fact that the only two people who rise to their feet on the "inquisition" side of the room are both women – I'd be fascinated to know if that's just conincidence, or if there's some difference in the psychology of men and women that cause the different reaction.