Farhad Manjoo: Why lefties should watch Fox News

I try to limit my intake of 24-hour cable TV news, because as a medium, on balance, I think it’s bad for America. Though Facebook has suffered more scrutiny and reputational damage for its role in 2016, it was cable, not social networks, that went gaga pumping up Trump during the campaign. Today, it’s the toxic feedback swirl of Twitter and cable — and a president and a press corps that spend all hours feeding on one another’s digital droppings in a dystopian circle of li