It appears that Rafsanjani's daughter & other kin have been released; no telling what to make of their temporary detention. (1) Shot across the bow -- "we nabbed 'em & we can do it again"? (2) Left hand detains, right hand releases?
Other than saying that he's given Moussavi especial support, nothing about the relationship b/t Moussavi and Rafsanjani, which seems to be a major question. But an article worth reading nonetheless.
... Ah, this is pretty much what I'd been thinking:
In a Financial Times article, reporters Najmeh Bozorgmehr and Roula Khalaf tease out evidence that what some analysts have likened to a clerical-state bureaucracy elite are deftly manipulating the legitimate popular outrage against Mahmoud Ahmadinejad's regime as a way of hoisting themselves (back) to power.The FT story is subscriber-only, but this has seemed correct from early on: how can we harness this political uprising?, Rafsanjani et al. have surely been asking themselves.