In Wake of Bin Laden's death, Al Qaeda Remains Lethal

A year after leader's death, al Qaeda's Yemen affiliate is most feared by U.S. officials.

Osama Bin Laden

An undated file photo shows then-al Qaeda leader Osama bin Laden, in Afghanistan.

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That view is also held at high levels of the U.S. intelligence community.

"It's hard to declare victory," says the senior intel official, "when the ideology lives, and the [jihadist] movement is alive and relatively healthy."

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  • John T. Bennett covers national security and foreign policy for U.S. News & World Report. You can contact him at JBennett@USNews.com or connect with him on Twitter.