Complex sentence: "The release mentions Richard Mellon Scaife and John Train as alleged funders of the productions of Dennis King and Chip Berlet (of PRA,) who it describes as recently" reactivated.
Split into simpler sentences: The release mentions Richard Mellon Scaife and John Train as alleged funders of these activities. These activities include, according to the release, the productions of Dennis King and Chip Berlet (of PRA,) who are said to have been recently reactivated.