Thomas Frank wrote a piece in the Wall St Journal Wednesday with that title. His answer: they embraced globalization, which enabled companies to outsource/offshore all the good union jobs, crushing the Democratic Party's core union/workingman membership. Interesting theory, but I believe it is off the mark. When I grew up in the South, the Democrats were clearly the party of the workingman. John Kennedy, stumping for votes in West Virginia coal mining country. Franklin Delano Roosevelt, creating the National Labor Relations Board, etc. Republicans were the party of John Lindsay, Nelson Rockefeller and Preston Bush. Wealthy country club members with Ivy League education. So I share Mr. Frank's point of view of the origins. But not of the cause of the detour. The Democratic leadership have converted en masse to the Religion of Environmentalim. As a result, they willingly sell out workers to (possibly) preserve some life form we would otherwise have no interest in protecti...