New START negotiator Rose Gottemoeller speaks to reporters in 2010 in Washington, D.C. The acting undersecretary of state for arms control is looking into ways social media tools can help regulate nuclear weapons.
DigitalGlobe / AP
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AP
This satellite image of Sudan was made available by the Satellite Sentinel Project in 2011. It appears to be a mass grave, offering the first aerial photographs from a conflict zone that outside observers can't access.
DigtialGlobe / AP
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AP
This satellite image provided by DigitalGlobe, taken in 2010, shows the Yongbyon nuclear complex in North Korea. The Institute for Science and International Security monitors satellite images for updates to nuclear facilities.
Mike Shuster is an award-winning diplomatic correspondent and roving foreign correspondent for NPR News. He is based at NPR West, in Culver City, CA. When not traveling outside the U.S., Shuster covers issues of nuclear non-proliferation and weapons of mass destruction, terrorism, and the Pacific Rim.