Frohe Dienstag aus Regensburg! I'm starting to see the early signs of spring, from crocuses in colorful clusters, to buds and even pink blossoms on some trees, to longer days. The days are in the 40's Fahrenheit, and the nights occasionally dip below freezing. I was planning an excursion yesterday to a site outside of town that a thousand years ago was a fortress built on a hill, called Burgruine . Now it's all ruins, and with a view of Regensburg that I've been told is tremendous. I had the bus all figured out, or at least I thought I did. How hard is it to get on bus #5 and ride until you reach a certain stop--all detailed on the website of my destination? Too hard, I guess, because bus #5 went as far as the shopping mall north of town and announced that it was the end of the line, everyone get off. I went across the street and caught the first bus back to the main station. Maybe another day, if I can figure out why a bus that the map shows to go all the way to thi...