Reviewing the operation that led to Osama bin Laden's death, with reports from Abbottabad, Pakistan, and Washington, D.C. Also: a profile of the Navy Seal unit that conducted the raid; reactions to Bin Laden's death from U.S. teenagers; a comparison of actual special operations and those portrayed by Hollywood. Correspondents include Nick Schifrin (in Pakistan), Martha Raddatz (Washington, D.C.) and Chris Connelly (New York).