Do we really have the right to own our fellow creatures? Are there some animals that should never be kept as pets? Is it okay to declaw a cat, clip a bird’s wings, or dock a dog's tail? These are some of the questions we're asking on this week's show.

Should some nonhuman animals be regarded as persons in the eyes of the law? And should animals so-regarded be allowed to sue in court to protect their legal rights? These are some of the questions we’re asking in this week’s show.

The Great Chain of Being—the notion that the biosphere is partitioned into ranks, with humans at the top, and every other organism at some inferior position—is a way of thinking that’s incredibly difficult, if not impossible, to dislodge. Most of us have a strong conviction that it’s true, but we don’t have a clue why we think that.

At a gut level, most of us consider humans’ lives far more significant than lobsters’ lives. But does this intuition just reveal a cognitive bias most of us have? Are there any good arguments to support the idea that lobster lives matter less?

From Peter Singer's Animal Liberation to arguments offered by the ancient Greeks and Hindus, many philosophers and environmentalists have made convincing cases against the practice of eating meat. But could there be a moral case in favor of it?