Okay, so I'm being naughty and putting portal2d on the long finger at the moment (don't want to upload that until I have sound implemented, and that's going to be a bit of a chore, even though I have the soundtrack/sound effects done already), but peoples comments on that have been taken into account, are much appreciated, and will be responded to!
Anyway, here's my basic interface plan:

(that's a photoshop. I've gotten buttons up and running, but haven't implemented sliders yet in the code. Once they're done, I'll be able to start on the game proper).
Basically, the buttons on the top left and the sliders on the bottom right will be your controls, the buttons implementing policies, and the sliders usually controlling expenditure/taxation.
The other bars on the bottom-left tell you about the quantities of various basic racial groups in the city, as well as the size of the local resistance movement.
I haven't had a chance to do much with the map graphic since I uploaded it to the pixel-art thread (I'll have to readjust the colouring of the cityscape, add in more parks, amongst other things). In addition to basic prettifying, I hope to use palette-related effects to implement seasonal changes and the gradual deterioration of the city over the course of the war. And have some other relatively minimalist animations (for the trains, say, or fires/smoke). But they'll come later.
What do you mean by, 'it will be a race against time'?
I mean that the game will end after a fixed time.
Will the game have trappings like a score, or a win/loss?
No.
It doesn't really make sense to me, since obviously there's no reward for having succeeded beyond any artificial gameplay element,
I don't understand what you mean by this.
More generally, will players have the ability to resist their prescribed roll?
Probably not to any meaningful degree (it's not any part of what I'm considering the core mechanic).
Or is this an elaborate remake of Execution?
I don't know Execution. I'll check it out some time.
(I hope you guys will forgive me if I don't deal with the more politically-oriented comments while I'm still trying to get the game together).
Operation: Pedopriest
Heh: that's a pretty cute game.