Should you take a short cruise or a longer cruise? Are they the exact same? Are there any differences (other than the obvious length of the trip)? It used to be that the number of options you had for your cruise was fairly limited. These days it’s the exact opposite. As cruising has soared in popularity, the number of cruises departing ports has boomed. Today, you can find cruises to match any schedule. And while the traditional seven-day cruise is popular, shorter trips — some as short a...