David Welna

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After nearly an hour's flight north from Baghdad, a cavernous C-130 military cargo plane touches down. Aboard are reporters, Pentagon officials and the man who has occasioned this trip, Defense Secretary Ashton Carter.

The plane taxis along an airstrip that as recently as July was controlled — and then largely destroyed — by Islamic State fighters.

This is the Qayyarah Airfield West, just 30 miles south of Mosul.

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Edward Snowden, the former National Security Agency worker, is back in the news. On Capitol Hill, a House committee met in secret today. Members approved a new report about how Snowden leaked classified documents from the NSA three years ago.

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They are often called the "missing 28 pages," and while they are not exactly missing, they are back in the news again.

They are, more precisely, the final 28 pages of a massive 2002 congressional report on the Sept. 11 attacks that runs more than 850 pages. Those last few pages have never fully been made public and they deal with the highly sensitive question of foreign financing of the suicide hijackers who carried out those attacks.

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Loose nukes and dirty bombs are the talk of Washington today as President Obama hosts a summit with more than 50 world leaders. They're here largely because of a challenge Obama issued in 2009 barely two months into his presidency.

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