Inside the collapsed marriage of Silicon Valley and the Democratic Party

Three summers ago,a worker stood up at “Q&A,” Facebook’s weekly all-hands, town-hall-style meeting, which is usually held on Friday afternoons in Menlo Park and livestreamed to its offices around the world — and aggressively closed to the public and press — to ask Mark Zuckerberg whether the company had a plan in case the public turned against it, like what had happened to the big banks a few years earlier.

Zuckerberg didn’t even know how to answer the question.That backlash won’t happen, he said,as long as the company keeps shipping products people like. Some conservative commentators had been accusing Facebook, with little evidence, of censoring their voices, but the company remained popular. Hillary Clinton, sure to be the next president, was shaping up to be a great friend of Facebook’s and of tech…