BUSINESS TIDES Common Market and Us by Henry Hazlitt T AST week I discussed seven basic L issues and principles involved in foreign-trade policy, but never got to the complicated problem of the European Common Market and what our relations with it ought to be. At the heart of that problem is the difficulty of knowing whether the Common Market will prove in the long run to be a step toward free trade or a step toward increased protection. It is a step toward freer t...