I wrote this yesterday:

[CNN] Producers would certainly like a rock-’em-sock-’em show, and it’s possible Romney and Giuliani will give it to them. But it’s also possible the candidates will decide to cool it and stay on the high road, while still making their points. What they decide could affect the tone of the campaign in its final weeks.

Oops. Looks like they chose the first option. I think it has hurt both men; so far, at least, the non-rock-’em-sock-’em candidates look better.