Paul Krugman is known for throwing a bomb or two from his platform in the New York Times, but it's really tough to take him for a violent fellow. In his July 2 blog post, "I'm Gonna Haul Out The Next Guy Who Calls Me ‘Crude' And Punch Him In the Kisser," Krugman lamented criticism of his support for more stimulus spending. A July 1 editorial in The Economist noted that the economy needs more private spending, not more government spending. "Mr Krugman's crude Keynesianism underplays the link between firms' and households' behaviour and their expectations of future tax and...