This has been available in full exclusively at the magnificent and well worth subscribing-to Talking Points Memo.
SEND TPM MONEY!!!!
But now let me let it out into the wild here--and promise to imminently (well, maybe in a month...) write about the whole symposium of which it is a part:
The Melting Away of North Atlantic Social Democracy: Hotshot French economist Thomas Piketty, of the Paris School of Economics, looked at the major democracies with North Atlantic coastlines over the past couple of centuries. He saw five striking facts: