621. Is Professional Licensing a Racket?

622. Why Does Everyone Hate Rats?

The Show That Never Happened

623. Can New York City Win Its War on Rats?

624. The Animal No One Loves, Until They Do

EXTRA: The Downside of Disgust (Update)

625. The Biden Policy That Trump Hasn’t Touched

626. Ten Myths About the U.S. Tax System

Should America Be Run by … Trader Joe’s? (Update)

627. Sludge, Part 1: The World Is Drowning in It