Long story short, Sam Seder got it from Politico who got it from 22 anonymous sources,
And like “The Room Where It Happens” from Hamilton, we can either throw up our hands, say nobody’s willing to go on the record, so nobody will ever know… or see the results, and entertain ourselves as long as we’re mindful that it’s entertainment and not fact.
The only thing that’s factual is that Politico SAYS people talked to them.