Human rights issues shade Obama's visits to Cuba and Argentina. Plus: Colombia faces peace deadline; Venezuela goes on a long holiday; and more.

President Barack Obama's historic tour underscores his vision to build stronger regional ties, writes AS/COA's Susan Segal for CNN.com

The new Argentine president is off to a confident start, but considerable hurdles—from inflation to a divided Congress—lie ahead. 

Fixing Argentina’s flagship carrier is a priority for the country’s new president, but it won’t be easy.

El viaje del Presidente Obama a Argentina reafirma el liderazgo del President Macri en la región, señala Susan Segal de AS/COA.

President Barack Obama's trip to Argentina "reflects President Macri's determination to re-engage the international community", points out AS/COA's Susan Segal.

Learn where the numbers stand and what the new president is doing to change them.