António Guterres is stepping down in December after two terms as secretary general. No front-runner to succeed him has emerged so far.

© Yiannis Kourtoglou/Reuters

Exxon Mobil found a coveted growth engine in Guyana. Now it must navigate Guyana’s fractious politics and a territorial dispute with Venezuela.

Oil-rich Guyana is enjoying red-hot growth. But the boom is magnifying tensions over corruption, inequality and strained ties with Venezuela.

© Cesar Rodriguez for The New York Times