Apple is, at least most of the time, a global company. With the exception of the original iPhone, the products it produces are intended for sale across as many territories as possible, rather than just one or two countries. So when we heard yesterday from iFun.de that Amazon.com’s German division was unexpectedly listing a 4GB fourth-generation iPod nano, we knew that there were only two possible scenarios. (a) Amazon was mistaken, or (b) Apple…