I asked Jonah Falcon if you could set the amount of turns for a deal to last in human negotiations, and he said no, it's still hard coded to 20 turns.
oh well, that woulda been cool
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"I've lived too long with pain. I won't know who I am without it. We have to leave this place, I am almost happy here."
- Ender, from Ender's Game by Orson Scott Card