Silvia Bazua helps indigenous families get the papers they need for children to access school and services.
Recent increases in defense spending by Brazil and Venezuela are attracting observers' attention.
A deal brokered by Venezuelan President Hugo Chávez could pave the way for the liberation of dozens of others being held in rebel camps.
A quarter of the nation now lives in poverty in a country that once prided itself on an egalitarian ethos.
In the Mexican desert, full of hardship and dust, the traditional quinceañera is a chance to be a princess for a day.
The Venezuelan president touts Beijing's $4 billion investment as another punch in his bid to undermine US clout. China is more pragmatic.
Some lawmakers say that President Ortega is taking a page from the Venezuelan leader's playbook to expand his own presidential powers.