Since trade in agriculture and medicine was authorized in 2000, U.S. ag exports to Cuba grew to a high point of $685 million in 2008 before dropping steadily since. A top administration initiative for this week’s presidential visit there is a Memorandum of Understanding (MOU) on sharing ag technology.President Obama is in Cuba this week, the first president to visit that country since Calvin Coolidge in 1928. While he’s there, he’ll take in an exhibition baseball game between Major League Baseball’s (MLB’s)Tampa Bay Rays and the Cuban national team. This is only the second time since 1959 a U.S. professional team has played there. This game and other such exchanges are part of the president’s plan to normalize relations with Cuba. Like ag,...