If someone wants to identify themselves as the leakers would wikileaks confirm it?
The timing of the current Assange tweet along with the previous offer of reward money for information on the Rich murder at the time pretty well acknowledges that Rich is the source of the leak.
Another subject: IMO Assange struck some kind of deal with Obama on the pardon of Manning. There needs to be an investigation of why his sentence was commuted to time served (7 years) from 35 years.