There is much to debate about liberal economist and New York Times writer Paul Krugman, but here are two facts that seem hard to argue with:
Krugman is a very smart economist.
Krugman’s debate style is uncivil and uncharitable.
When Krugman disagrees with people, he calls them names. If Krugman dislikes your policy proposals, and you make a mistake in your work, he is utterly...