I don't think that's ENTIRELY true. People get passionate about their guy and can get carried away, especially when they see the other camps pushing the envelope, too.
The Romneybots have been using that for cover since Jim's endorsement. Watch how enthusiastically this one supports Newt when he actually threatens Romney in an upcoming primary.
That's a very thoughtful approach. I like objective metrics. ;o)
True, but this particular poster is a quota-filling, volume-posting machine. And it's all about Santorum. Look at his history. It's the stuff restraining orders are made of.