There’s a lot of pearl clutching on the political right this week, so much so you’d be hard-pressed to differentiate it from the constant pearl clutching on the left. Facebook, it is alleged, “censors” conservative news. But does it really? And does it matter? There are not many people in the United States younger than 50 who don’t have a Facebook account. Exactly none of them were forced to open one. When they did they accepted the fact that they were playing in someone else’s backyard. Facebook owes the government no justification as to how it conducts its business as...