Who says anything about a modest return? How much does the U.S. spend on prisons...

		grivescorbett on March 20, 2018 \| parent \| context \| favorite \| on: Launch HN: Promise (YC W18) – Cost-effective, more... Who says anything about a modest return? How much does the U.S. spend on prisons? How much does the world spend on prisons? Say they operate at a 30% discount, how much revenue is that? Off the top of my head, a lot.