In the infamous case of Kelo v. City of New London, the Supreme Court allowed the city of New London, Connecticut to take Susette Kelo’s little pink house (also the name of a very good movie about the case) via eminent domain for the “public use” of furthering economic development in the town’s Fort Trumbull neighborhood. The fight in that case was over the meaning of the words “public use” in the Fifth Amendment’s Takings Clause, and whether the words provide essentially any limit on what a municipality or legislature says is “public use.” In Kelo, one of the major...