<prompt> Translate the following text to EnglishBoris Shub, mwana wa mwanahistoria wa Menshevik David Shub, alianzisha kituo cha redio cha Marekani huko Berlin mwaka 1945 na kuwa chanzo kikuu cha propaganda ya vita baridi.  <response>: I think of my late lamented friend Boris Shub, son of the Menshevik historian David Shub, who had set up RIAS the radio station in the American sector in Berlin in 1945, a major cold war propaganda asset. 