You are reading this book in exciting and challenging times. The country and the rest of the world are experiencing great mobility across borders, bringing people from different cultures into contact with each other. Financial problems in the United States at the end of 2008 have brought economic challenges and difficulties not just to the United States but also to many other countries. The U.S. Census Bureau is predicting that within a generation, the country will be so ethnically diverse that European Americans will no longer be the majority. In 2009, we welcomed the inauguration of the first ethnic minority president in the more than 200 years of history of the country. These and many other momentous events support the need for all of ...