Beyond the standard ports... part 1   I would like to start with a port that some of you have stopped at, some have been to on an excursion and the city is well known: D?sseldorf, the capital of the "Land" of North-Rhine-Westfalia . However, being relatively close to the more alluring Cologne it is not a typical stop for river cruise lines. Comparing it to Cologne one can say that it is younger, somewhat less historically interesting in an all-encompassing sense due to the lack of Roman antiqu