Fires in the Amazon have aroused international concern because of the rain forest’s outsize impact on climate, but political tensions are hampering the response.

President Trump and Prime Minister Morrison’s close relationship is good news for the decades-old alliance.

Election fraud allegations have prompted President Evo Morales to resign with no clear successor, plunging Bolivia into political uncertainty.

Iran’s move to suspend cooperation with the 2015 nuclear deal threatens to further escalate already high tensions between Washington and Tehran.

Pervasive corruption has long stymied development and fueled emigration from some of Central America’s poorest countries. The recent disbanding of antigraft commissions makes their prospects for refo…