Salt Lake City
So I commented on this interaction on the Kickstarter page and got a response from Crafty Games. Apparently it doesn't work like that after all:
- Marsh (and other Problem cards with the same language): We'll get this into an official FAQ, as it's confused a lot of folks. Marsh and other Problem cards with this language prevent the use of Personalities to adjust the resource requirements and other conditions of a deal, no matter when those Personalities might be played. There's no skirting this restriction by playing Personality cards before a deal is negotiated, or even after a deal is closed.