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

Trade is one of the few issues in the campaign that does not divide cleanly down party lines.

In 2015, U.S. exports to Cuba were the lowest in a decade, but could reach $4.3 billion without the embargo.

"Ahora vemos un verdadero empuje del lobby de la agricultura para seguir liberalizando y normalizando nuestra relación con Cuba", comenta Alana Tummino de AS/COA.

O Brasil será diretamente afetado pela assinatura de acordos megarregionais, escreve Kezia Mckeague da AS/COA para Pontes.