The Zika outbreak that began in Brazil has spread north to Colombia, where the city of Cucuta has been hit the hardest. Nearly one out of every five cases in Colombia are in that city.
More than 5,000 pregnant women appear to have fallen sick with the virus. But there are no good tests for the birth defect possibly linked to this disease.
The border city of Ciudad Juarez, Mexico, which was until recently one of the world's murder capitals, will present Pope Francis with a panoply of Mexico's intractable problems: rampant cartel violence, desperate immigrants, official corruption and worker exploitation. The city awaits his visit on Wednesday hungry for his message of peace and hope, but no one is under the illusion that he can fix anything.
Putting the five men accused of plotting the attacks on trial is a long process. On Tuesday, at Guantanamo Bay, Cuba, another round of seemingly endless pre-trial war court hearings gets underway.
The cartels' business models are similar to those of big-box stores and franchises, says Tom Wainwright, former Mexico City bureau chief for The Economist. His new book is Narconomics.
Transportation Secretary Anthony Foxx is in Cuba to sign a bi-lateral agreement that will allow commercial airline service between the two countries for the first time in decades.
Brazil is fanning out 200,000 troops to battle mosquitoes. It's part of larger efforts to combat the transmission of the Zika virus, which has been linked to brain abnormalities in Brazil.
The pope called out "a society of the few and for the few" during an open-air mass in the impoverished and violent Mexico City suburb of Ecatepec on Sunday.