The liberty protest attendees knew exactly what it was – a benefit of being gun-fluent – and after a second to get their bearings, they scrambled. Being generally law-abiding, even where the law was an ass – as it was in gun-hating DC – none of the civilians was carrying concealed. If this had happened in, say, Texas, it would have been a very different story.
Actually, DC has slightly relaxed the stringency of its CCW application process in recent years.
