By Daniel Kline The Bahamas still requires proof of vaccination for people 12 and over. If it drops that, the cruise lines may have a fight with Florida Gov. Ron DeSantis on their hands. Cruise lines face regulation not just from the country where their ships sail from, but also from the countries where they make port stops. That has led to a challenging array of covid protocols based on which ports of call a ship visits. That makes communication with passengers a challenge. In the early days of Royal Caribbean International (RCL) – Get Royal Caribbean Group Report, Carnival Cruise Lines (CCL)…