Giuliani to defend Activision in Noriega lawsuit By: CNBC.com News September 22, 2014 at 11:50 AM EDT Activision-Blizzard has tapped America's favorite mayor to help defend its "Call of Duty" franchise from former Panamanian strongman Manuel Noriega. Read More >> Related Stocks: Activision Blizzard Amazon.com Take-Two Interactive