When a Vatican cardinal presented a message from Pope Francis to the World Economic Forum today, it might have been the first time a papal message actually has been read out in Davos, but it certainly wasn't the first time a Pope has spoken out on economic justice.
Beginning in the late 19th century, almost a dozen Popes have issued a long series of documents devoted to defense of the poor which are known as "Catholic social teaching." All that moral leadership, however, has not produced a notably more just world.
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