Every so often, a member of the economic orthodoxy decides to attack me personally in print. Today I'd like to address a column in The Philadelphia Inquirer, with this question as its lead: "Will China's decision to unpeg its currency to the U.S. dollar make Lou Dobbs shut up?" This was written by a nasty piece of business by the name of Andrew Cassel, who calls me "pompous," "portly" and a "protectionist." First, let me answer Cassel's question: No, it won't. By the way, Andrew, bad timing. The People's Bank of China now says that the 2 percent revaluation of...