The former BBC and New York Times chief has been tasked with revitalizing a news network that seems to have lost its way

In late summer, CNN found itself in crisis. Under the disastrous tenure of chief executive Chris Licht, the news channel had seen top anchors leave and ratings plunge.

Behind the scenes, CNN staff were grumbling about an apparent attempt to move the network’s political coverage to a rapidly disappearing center – an effort typified by the widely criticized decision to host a town hall with Donald Trump in May.