She arrived, in tears, just as class was about to start. “It’s been a rough day,” she said. The government is moving in on Standing Rock. Clearing the camp. Making way for the pipeline. Buzzfeed had a live feed. Several people arrested. At least one person injured. The choppy feed showed muddy expanses, melting snow, and a line of veterans who came from across the country to help defend a sacred space from a pipeline.