Politically, are labor unions finished? It appears that might be the case. Republican Wisconsin Gov. Scott Walker once again humiliated organized labor with his comfortable re-election last Tuesday. While polls showed a close race, Walker beat his Democratic opponent, Mary Burke, by a 6-point margin 52/46. Labor unions had put Walker in the cross hairs ever since his 2010 gubernatorial victory, failed to oust him in the 2012 recall (Walker received more votes in this election than in the 2010 race), and came up short again in this contest. Walker is now a definite 2016 contender, with a reputation...