Question: What institute in Washington D.C. is Bryan Douglas Caplan an adjunct scholar for?
Sentence (from "Cato Institute"): The Cato Institute is an American libertarian think tank headquartered in Washington, D.C. It was founded as the Charles Koch Foundation in 1974 by Ed Crane, Murray Rothbard, and Charles Koch, chairman of the board and chief executive officer of the conglomerate Koch Industries.
Relevant evidence: Yes