Documentary-maker and liberal activist Michael Moore said the reason for mass shootings in the United States is largely due to fear and racism, and on Christmas Eve he pleaded, “calm down, white people, and put away your guns.” In a blog post entitled “Celebrating the Prince of Peace in the Land of Guns,” while still calling for stricter gun-control laws, Moore said such laws will not stop mass killings because of “who we are” as a nation. “We are a country whose leaders officially sanction and carry out acts of violence as a means to often an immoral end,” Moore...