Those of you who are students of eminent domain and the public use requirement know that in Berman v. Parker, 348 U.S. 26 (1954), the Court (in)famously held, “when the legislature has spoken, the public interest has been declared in terms well nigh conclusive.”
Not only was the Court in Berman signalling that it was washing its hands of the Public Use Clause, but that case also — less overtly — revealed a shift from examining the use the property was to be put, to the purpose for which the property was being acquired, or as the above quote highlights, where a taking furthers the public interest. (A shift that, if you missed it, the Court confirmed in Midkiff where it held the eminent domain and police powers are “coterminous,” and both are reviewed under the deferential rational basis standard.)
If that wasn’t clear enough, the majority in Kelo



