Potomac Institute for Policy Studies Senior Fellow Amb. David Smith (Ret.) is the Director of the Potomac Institute Cyber Center.  He is a cyber security and cyber policy analyst, a former US arms negotiator, and an expert on Russian cyber capabilities.  In an interview with the news website Internet Evolution,  he commented on the Russian government's use of Twitter to blast US ambassador Michael McFaul. Smith, who has written and lectured extensively about the Putin regime's efforts to manipulate  new media, says he's skeptical that the Twitter tactics will have much effect in this case. Click here to read the story in full.