Federal investigators in Brazil have uncovered corruption at the highest levels of the government and in the country’s largest corporations.

Violence continues to rage more than a decade after the Mexican government launched a war against drug cartels.

Brazil has long sought a greater role on the world stage, but political upheaval and other enduring challenges have complicated its efforts.

The United States has long tried to negotiate a resolution to the Israeli-Palestinian conflict, but several factors, including deep divisions between and within the parties and declining U.S. interes…