More than 18 months after 43 aspiring young teachers were abducted, Mexicans have no answers as to their fate. For many, the case is a litmus test for the country's commitment to justice.
After a devastating quake 16 times more powerful than one that hit Japan Saturday night, relief organizations list ways to help.
Ongoing turmoil – including revelations linked to the Panama Papers – threatens to unseat Brazil's President Dilma Rousseff.
How the country went from being the cocaine capital of the world to a Latin American success story.