The antisemitic mind virus is the canary in the coal mine for civilizations. When the hatred of Jews rises, a host of other horrible things fester in society. Progressives who scream that ...

While enrollment declines aren’t uncommon, they serve as a warning signal for the district’s overall health, much like the canary in the coal mine that once alerted miners to unseen dangers.

Gaur, Vishal, Saravanan Kesavan, and Ananth Raman. "Retail Inventory: Managing the Canary in the Coal Mine!" California Management Review 56, no. 2 (Winter 2014): 55–76.

The antisemitic mind virus is the canary in the coal mine for civilizations. When the hatred of Jews rises, a host of other horrible things fester in society. Progressives who scream that ...

"What happened in Newfoundland was a canary in the coal mine of the hard times ahead of us and we didn't listen," Beauceron Security co-founder David Shipley told CBC Radio's On The Go. When ...