What is behind Iran’s latest seizures of expatriates visiting from the United States? An insecure regime fearful of close ties with the West.

The Zika virus is spreading to North America, and U.S. delays in approving research and funding could lead to a public health disaster, write Larry Brilliant and CFR’s Laurie Garrett.

The terror group Boko Haram is diminished but far from vanquished in Nigeria, and it appears to be expanding its regional reach, writes CFR’s John Campbell. 

With the United States eager to withdraw from Afghanistan and reconciliation with the Taliban considered key to any peace process, Afghan women’s rights are once again in question, writes CFR’s Gayle…