This article was co-authored with Roque Planas

U.S. President Barack Obama has never traveled to South America before, but the month of March will mark an uptick in Latin America-related meetings for him. On March 3, he hosts Mexican President Felipe Calderón at the White House. Then, from March 19 through 23, Obama heads to Brasilia to kick off a five-day trip that will also take him to Rio, Santiago, and San Salvador. AS/COA Online looks at the issues likely to be discussed when Obama meets with the presidents of Mexico, Brazil, Chile, and El Salvador.