Burson-Marsteller worldwide president and CEO Mark Penn recently spoke with PRWeek's Ted McKenna about efforts to build the agency's “bipartisanship” – including the hire of Bush confidante Karen Hughes -- and his work at the firm following the end of Sen. Clinton's presidential campaign, for which Penn was for a time the chief strategist.

PRWeek: What's the appeal in hiring Hughes?

Mark Penn: It's the idea of having a bipartisan brainstrust, having a strategic group. We have Karen; Don Baer, who is ...