Twitter’s Jack Dorsey: a hands-off CEO in a time of turmoil

His management style faces one of its biggest tests yet. Twitter's CEO, Jack Dorsey, is known for delegating most major decisions while pursuing his personal passions. But in times where the role social media platforms face in policing their own users has turned into a fierce debate, many wonder if he could continue to allow himself such approach. Kirsten Grind and Georgia Wells analyse in The Wall Street Journal.