Have you tried talking to everyone, including Leto?
And have you checked any messages in the communication room? In case there was a request for another spice shipment, process that first until you get the emperor's reply that he received it.
The zooming in on faces has no meaning, it only happens when you're talking to a person for a while. Nothing special.
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A sickened, sensitive shadow writhing in hands that are not hands, and whirled blindly past ghastly midnights of rotting creation (Nyarlathotep, H.P. Lovecraft)
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