Washington Post

President Donald Trump sought to clarify how much of the press he sees as “the enemy of the people.” He put it at about 80 percent. During an interview at the White House with Fox News, he was asked: “Is the press the enemy of the people?” “No, not at all. But the fake news is,” President Trump told Ainsley Earhardt of “Fox & Friends.” “And the fake news is comprised of — it’s a lot. It’s a big chunk, okay? Somebody said, ‘What’s the chunk?’ I said, ‘80 percent.’ It’s a lot. It’s a lot. If I do something well, it’s not reported.

[Commentary] US officials have often said that the United States has unrivaled offensive cybercapabilities. Why hasn’t that deterred anyone? It’s simple. The United States is so reliant on computer networks that we’re afraid to launch a tit-for-tat exchange in cyberspace. We need to get tougher and more inventive. In the hope of inspiring others’ imagination, here are a few options that belong in the US toolkit:

Facebook has begun to assign its users a reputation score, predicting their trustworthiness on a scale from zero to 1. The previously unreported ratings system, which Facebook has developed over the past year, shows that the fight against the gaming of tech systems has evolved to include measuring the credibility of users to help identify malicious actors. Facebook developed its reputation assessments as part of its effort against fake news, Tessa Lyons, the product manager who is in charge of fighting misinformation, said in an interview.

Here’s the bad news: We can’t trust Silicon Valley to police itself. Here’s the other bad news: We can’t trust Washington politicians to police it, either. Our policymakers are ill prepared to protect the public from those who wish us harm — or even from companies willing to profit off that harm. Case in point ...