The Red Legs sought border war-inspired bloodshed, officials say. Let’s not repeat that history.

Last month 25-year-old Lake Ethan Roberts stood at the edge of a rock quarry near Richmond, Missouri, and lit the fuse of a crude explosive device of his own design, according to federal authorities. Then he tossed it in the quarry. The device was made from a plastic single-serving “shooter” bottle filled with black powder, […]