When I first came here as an exchange student at age 16, I fell in love with the US. Compared to my native Germany, I felt a wonderful sense of possibility. That is still the case today for many of the businesses we look at and invest in, but I worry about the future of the US. There appears to be a parallel between the US today and Great Britain at the end of the colonial period in the 20th Century. Great Britain expended its resources on ruling a large empire. Those resources were not avail...