Rich Lowry: Mark Zuckerberg is right about free speech

Mark Zuckerberg clearly hasn't gotten the memo.The founder of Facebook persists in defending free expression, even though free speech has fallen decidedly out of fashion.His reward for adhering to what once would have been a commonsensical, if not banal, view of the value of the free exchange of ideas is to get vilified for running a hate-speech machine and to get boycotted by major American companies.In a speech at Georgetown University last fall, Zuckerberg stated that it’s important &ld