A little-known treaty provides transparency for confirming arms control agreements and serves as an important measure of the health of the U.S.-Russia relationship.

Washington should respond to sectarian conflict near Kirkuk by seeking to preserve a united Iraq while supporting Kurdish autonomy.

President Trump’s much-anticipated Afghan policy rightly avoids troop withdrawal timelines but offers little prospect for progress against the durable Taliban.

With the United States likely to pull back on global health funding, the World Health Organization, under its new director-general, will need to undertake serious structural and administrative change…