President Donald Trump said Saturday he had the power to fire or demote Federal Reserve Chairman Jerome Powell, adding new fuel to his long-running animus toward the central bank’s leader at a moment when the economy was at risk of edging into recession.

Donald Trump has 55 million followers on Twitter. But his tweets reach less than half of that, according to an analysis by SparkToro. More than 60% of the US president’s Twitter following, or about 33 million accounts, have been deemed fake by the marketing software firm. It ran all of Trump’s followers through a machine-learning based tool that picks up signals that an account might be spam, propaganda, a bot, or inactive. If the account racks up seven to 10 signals or more, it was counted as fake.

A new book argues that, in the effort to fix the prison epidemic, we are addressing the wrong things and missing the true problem. By Adam Gopnik.