Philippe Dauman Viacom CEO (R) with rapper/mogul Sean Combs

As Viacom Chief Executive Philippe Dauman was managing investors expectations speaking downtown at the Goldman Sachs Communicopia conference, back at  its midtown Times Square HQ, staffers at flagship unit MTV Networks were fretting as pink slips were being handed out. There was widespread concern internally, according to a source. (AdWeek reported it last night).