While (most) politicians are able to understand the economic logic behind lifting tariffs and engaging in free trade, they argue - as Bush did in 2001 - that the reality of free trade has painted a different picture, with certain areas of the country (such as the rustbelt of Ohio, Pennsylvania, Michigan, etc.) becoming much worse off as a result of trade. In a brief essay, explain what happened with free trade in practice and what types of policies may be warranted as a result