Following up on Tom’s post below, here’s Jonathan Chait who takes John Durham downtown: Former special counsel John Durham, who tried and utterly failed to prove that the Russia investigation was a vast anti-Trump conspiracy, testified Wednesday before the House about his work. Durham’s hearing interestingly revealed a possible explanation for why he threw away a sterling reputation to work with William Barr fruitlessly pursuing a right-wing conspiracy theory: The man seems to have become so hopelessly brain-poisoned by Fox News he has lost all touch with facts outside the Republican information bubble. More specifically, Durham seemed to be unaware of the major factual elements of the alliance between the Trump campaign and Russia. This ignorance came through in several awkward exchanges with Democrats on the House Judiciary Committee panel. Eric Swalwell asked Durham about how Trump “tried and concealed from the public a real-estate deal he was seeking in Moscow.” This was a deal, described in the Mueller report, in which the Russian government promised Trump several hundreds of millions of dollars in profit at no risk to himself to license a tower in Moscow. The proposed payoff, and Trump’s public lies at the time about it, gave Russia enormous leverage over his campaign. Durham replied, “I don’t know anything about that.” When Adam Schiff asked Durham if the Russians released stolen information through cutouts, he replied, “I’m not sure.” Schiff responded, “The answer is yes,” to which Durham reported, “In your mind, it’s yes.” When Schiff asked Durham if he knew that, hours…