We played last night and had a small disagreement over the usage of the Sailor's ability to travel to a port without discarding a card.
The 2 interpretations we had were: 1. The player must have a card of the colour of the port they wish to travel to, they simply don't discard it 2. The player does not need to discard a card, therefor they do not need a card.
The first seems to fit with abilities of characters in other versions of pandemic, where a player simply reveals the card. But in those versions, the ability explicitly states that they need to reveal the card and in Iberia, this is not the case.