HAVANA, CUBA – MARCH 21: President Barack Obama stands with Salvador Sanchez Mesa, Vice President of the Council of Ministry, as they take part in a wreath laying ceremony at the Jose Marti memorial in Revolution Square on March 21, 2016 in Havana, Cuba. Mr. Obama’s visit is the first in nearly 90 years for a sitting president, the last one being Calvin Coolidge. (Photo by Joe Raedle/Getty Images)
The Cuban Window 