Peter Bergen, CNNβs national security analyst, reflected on his experience interviewing Osama bin Laden in 1997 and the implications of his death on the future of al-Qaeda with an audience of more than 300 people at the ΒιΆΉΣ³»΄«Γ½ on Tuesday. The event, organized by the ΒιΆΉΣ³»΄«Γ½ Global Perspectives Office, was part of two 2011-2012 themes, βPeople Power,…