On Friday evening, peaceful Black Lives Matter chants were shadowed by the deafening roar of motorcycle engines as counter-protestors — including some who were open-carrying firearms — followed the marchers on their route down Railroad Avenue to the Rifle Police Department. The march was organized on Juneteenth, the oldest celebration in the U.S. commemorating the end of slavery. It was the second time this month that several hundred protesters gathered in Rifle at City Hall. But unlike the June 2 vigil, Friday’s event was met by a significant counter-protest. As BLM supporters gathered in the plaza near city hall, several...