"in this day and age." It was never common knowledge. It's a little anti-social to suggest that it's 'common sense' in any way that people would know how to re

"in this day and age." It was never common knowledge. It's a little anti-social to suggest that it's 'common sense' in any way that people would know how to react in a chemical warfare situation. Anti-social in the sense that implies a lack of understanding of common social knowledge and behaviour.