Your wife bears a remarkable resemblance to Meryl Streep. Did you know there was some research done recently that suggests that we share DNA with our doppleganger?
I've had some of the same experiences regarding the Dark Side. They can get all chummy when you say things like, "don't you want to act rational?" Which is what you were doing, couched in policy wonk-speak.
Then, they return to their bubble, which is full of vitriol, and their inner two-year-old returns to the fore. I'm not sure there's a solution until the infrastructure of social media changes and a way is found to boycott Fox News advertisers to the point of exterminating the Australian Murdoch's enormous mouthpiece.