Day 2This year some twenty-three hundred teenagers from all over the world will spend about ten mouths in U.S. homes. They will attend U.S.schools,meet U.S.teenagers,and form impressions of the real America. At the same time about the thirteen hundred American teenagers will go to other countries to learn new languages and gain a new understanding of the rest of the world. Here is a two-way student exchange in action.Fred,nineteen,spent last year in Germany with Georges family.In turn,