Below is my column on the rise of Antifa deniers in Washington. Once embraced and even marketed on the left, Antifa has become the group that must not be named as political violence rises across the country. It does not matter that radicals identify as Antifa, coordinate protests, carry Antifa flags, wear signature clothing, and espouse the same ideas from the “Antifa handbook.” There have even been people elected as Antifa representatives. Yet, the current spin is to pretend that they do not exist as a single organization to deflect the debate over violence on the left. Even with the...