Surgeons have varying views on when Cristina Fernandez can resume duties.

President Cristina Fernandez will undergo procedure to remove pressure on her brain.

Venezuela's expulsion of three U.S. diplomats draws retaliation booting by Washington.

President Nicolas Maduro alleges officials conspired with "extreme right" to sabotage economy.

Shift from long-held policy that saw professional sports as against socialist ideals.

Horacio Cartes said he'll require corporate partners to fund Paraguay's social development.

Anger persists over American spy program that reportedly included President Dilma Rousseff.

Robertico Carcasses wants direct election and an end to nation's "self-blockade".

U.S. seeks to soothe concerns on Brazil's far-reaching surveillance.