Many of those cases have to do with potential elements unrelated to satire. Some of them are the cases I've cited in other threads as to why Fluke may be a limited public figure, so that Limbaugh would have to meet the actual malice test of Times v. Sullivan to have defamed her.
On the other hand, some do. One's even 2008 Court of Appeals finding that 'slut' is per se defamation when used in a satirical book in which you could tell the figure satirized was supposed to be a person who exists in real life (wait. 2008? That's after the Hustler case.)
I'm going to leave you in the good hands of the non-attorney who hasn't read these cases and who'll tell you that Limbaugh was clearly joking when he said Fluke was Fluke was "a woman who is happily presenting herself as an immoral, baseless, no-purpose-to-her life woman,' and that Limbaugh was so clearly only telling a joke that nobody on this forum believes that Fluke said she was having lots of sex.
I thought my reply to the original comment was a simple expression of thinking the same thing. I didn't plan to continue further with the topic.
Unfortunately, I was out of the country when this happened, and only picked up the details slowly from the continuing push to target Limbaugh over it.
I think the bottom line is that, from just watching how the Left is trying hard to use this as a weapon against Limbaugh despite turning a blind eye to comments from liberals, it shows how thin an argument they really have because the entire episode was staged from the start.
-PJ