Today's Situation Room:
Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
What massacre means for national security
Wolf Blitzer asks Peter Bergen & Walter Isaacson if our national security is at risk in wake of the Colorado shooting.
Bergen: Bomb maker is 'most dangerous'
National security analyst Peter Bergen talks to CNN's Wolf Blitzer about a foiled plot to blow up a U.S.-bound jet.
RELATED STORY: Official: Attempt to blow up U.S.-bound plane thwarted
Bergen: bin Laden 'focused' on Obama
By Peter Bergen, CNN National Security Analyst
Editor's note: Peter Bergen, CNN's national security analyst, is a director at the New America Foundation. His book "Manhunt: The Ten-Year Search for Bin Laden; From 9/11 to Abbottabad" will be published on May 1.
Washington (CNN) - Tapping away at his computer in the study of the suburban compound in Abbottabad, Pakistan, that he called home for the last years of his life, Osama bin Laden wrote memos urging his followers to continue to try to attack the United States, suggesting, for instance, they mount assassination attempts against President Obama and Gen. David Petraeus.
While he urged his organization on to attack America, bin Laden was also keenly aware that al Qaeda was in deep trouble because of the campaign of CIA drone strikes in Pakistan and also because the brutal tactics of his followers had alienated many Muslims.
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The Situation Room with Wolf Blitzer is the command center for breaking news, politics and extraordinary reports from around the world. Tune in weeknights from 5-7pm ET on CNN.
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