A summit hosted by the Obama administration one year ago has spurred momentum on global nuclear security measures. But the United States must lead efforts to redouble commitments on preventing the pr…

CFR’s Stewart M. Patrick previews major summits in the coming year.

President Obama’s weeklong visit to three African countries should reinforce trade and political ties and address some sentiments that the continent has been overlooked by the White House, writes CFR…

The NYPD’s new "Domain Awareness System" raises familiar questions about privacy and transparency that are likely to spark a debate at multiple levels of government, writes CFR’s Matthew Waxman.