AP Photo

As if absurdity weren't already the norm in U.S.-Cuba relations, three years ago the U.S. Interest Section, housed in a rectangular seven-story building in the Vedado district of Havana, began broadcasting a news ticker across its sixth-floor windows. The five-foot, red-orange lettering crept from one end of the building to the other, like anachronistic soldiers leftover from an ideological war settled long ago.