Fox’s offense was making campaign commercials for candidates who will vote to expand and fund stem cell research, but Limbaugh doesn’t care about that. What he cares about is that those candidates are Democrats who will also vote to make it harder for rich white guys like Rush to get away with whatever they want to get away with.
Rush’s anger and outrage are real; the words he used to express them weren’t. This is why if the Republicans find a disabled person to “exploit” his disability in a campaign commercial for them or if they get a bunch of their own celebrities together to make a hysterical ad (and I don’t mean funny hysterical, I mean expressive of hysteria) about the evils of stem cell research based on ignorance, superstition, and lies, Rush won’t care and you wouldn’t be able to get him to feel a twinge of remorse about his hypocrisy and double-standards.
The whole post is worth a read.