Question:  The Liberator was a monthly socialist magazine established to continue the work of a magazine that federal prosecutors brought charges against its editors for conspiring to obstruct what?
Sentence (from "Jurijus Kadamovas and Iouri Mikhel"): Jurijus Kadamovas (born 1966) and Iouri Mikhel (born 1965) are two Russian immigrants to the United States currently on Federal death row for 5 kidnapping for ransom-related murders.
Relevant evidence: No