Just a couple weeks ago, Secretary of State Marco Rubio made conservatives cheer when he delivered a sharp rebuke to communism not only for the atrocities committed in its name, but for the picture of human life underlying it:One of the criticisms you sometimes hear of communism, for example, is that it sounds good in theory, but it never works in practice. That’s actually not true. Communism does not sound good in theory. The world it envisi…