Four Latin American countries on the Pacific Rim are banding together to increase regional clout and Asia-Pacific trade. On April 28, the leaders of Chile, Colombia, Mexico, and Peru meet in Lima to ink the Pacific Arc agreement.

The president’s tour of Latin America was too important to postpone, writes AS/COA's Christopher Sabatini in The Huffington Post.

In his first trip to Central and South America, U.S. President Barack Obama hoped to set a new tone in U.S.-Latin American ties.

The president’s message was well received in Brazil, Chile, and El Salvador but his regional speech may have fallen on deaf ears outside those countries.

Fifty years after after John F. Kennedy unveiled the “Alliance for Progress,” U.S. President Barack Obama delivered a speech in Santiago stressing regional cooperation and announcing new innovation and education initiatives.

The Japanese nuclear crisis cast its shadow over a U.S.-Chilean energy agreement signed days before President Barack Obama’s arrival in Santiago. How will Latin American countries move forward with nuclear energy ambitions?

"The United States faces a new moment in the Americas: no longer can we take economic partnership or political influence for granted," writes COA's Eric Farnsworth for The Huffington Post.