Carrie knows and Abu Nazir's organization gave him the pacemaker codes, right? So I would think it's plausible that whoever did the CIA bombing knows. So why not Iran?

All I can think is that the writers have forgotten there was ever a vice president and that Brody killed him. It would be awesome if Iran announced they were giving asylum to the CIA bomber and vice presidential assassin Nicholas Brody, and that's how everyone on the show found out about it. But that would be…

And from a law firm manager: secretaries at big firms usually get overtime at 35 or 37.5 hours and paralegals and other non-exempt staff at 40.