The 21st century is witnessing what historians will call the "Animal Turn"—a profound moral shift similar to the expansion of suffrage or the abolition of human slavery. We are realizing that sentience, not species, is the currency of moral consideration.
The tension between these two views defines modern policy. For example, a law requiring larger crates for veal calves is a victory for welfare , but a compromise that an animal rights advocate might find insufficient because the calf is still being raised for slaughter. The 21st century is witnessing what historians will