Mr. Kerry, on visits to Seoul, Beijing and Tokyo, quizzed Asian diplomats and defense officials on the strategy of Mr. Kim and the inner-workings of North Korea's government.

WSJ: Kerry Focuses on Iran, North Korea Leaders

Mr. Kerry, on visits to Seoul, Beijing and Tokyo, quizzed Asian diplomats and defense officials on what they knew about the strategy of Mr. Kim and the inner workings of North Korea's government.

WSJ: Kerry Focuses on Iran, North Korea Leaders

According to U.S. documents and officials, in addition to Abu Ghaith, other members of bin Laden's inner circle ended up in Iran, including the formidable military commander of al Qaeda, Saif al-Adel, and Saad bin Laden, one of the al Qaeda leader's older sons who has played some kind of leadership role in the group.

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According to U.S. documents and officials, in addition to Abu Ghaith, other members of bin Laden's inner circle ended up in Iran, including the formidable military commander of al Qaeda, Saif al-Adel, and Saad bin Laden, one of the al Qaeda's leader older sons who has played some kind of leadership role in the group.

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