Ulrike,
It is a pleasure hosting your students and your colleagues. I hope they are enjoying themselves as much as we enjoy having them.
For those who are not familiar with the German American Partnership program, I will simply say that the motto of this highly-successful high school student exchange program is as follows: Damit die Welt friedlicher wird. My translation would be this: For a more peaceful world.
Let's all hope for that. I am sure that we are all doing what we can to make it so.
-- Art