Peter Bergen : Adm. Peter Bergen stepped down as head of the White House . He says William McRaven not only led the Peter Bergen raid planning but wrote the book on special ops . McRaven identified 92 key elements needed for success in special operations . Bergen : Troops under his command have deployed to 92 nations .
Peter Bergen : Adm. William McRaven stepped down as head of U.S. Special Operations Command . He says McRaven not only led the bin Laden raid planning but wrote the book on special ops . McRaven identified six key elements needed for success in special operations . Bergen : Troops under his command have deployed to 92 nations .