Take just one sentence from John Kerry (please). In Cuba, he said, “Our leaders — President Obama and President Castro — made a courageous decision to stop being the prisoners of history and to focus on the opportunities of today and tomorrow.”

Note the equation between President Obama and “President” Castro — one a democratically elected leader, the other a dictator (in a one-party police state).

“Our leaders,” said Kerry. Our leaders! The moral equivalence conceived by men such as Kerry knows no bounds. Cubans have not been able to elect their leaders. We have (for better or worse).

And how about “prisoners of history”? Cubans are prisoners, all right — and many of them are in the Castros’ cells. Communism and the Castros are responsible, not history.

Our Left loves to talk about history. They say “the right side of history” with every third breath. I wrote an essay about this stupid phrase in 2011. When you have a second, you may want to try it, here.

In one paragraph, I quote three of my favorite historians — and I’ll quote that paragraph to you now:

Robert Conquest, the British historian, notes that “the right side of history” has a “Marxist twang.” (He knows a thing or two about twangs, being married to a wonderful Texan.) Andrew Roberts, another British historian, says that “the right side of history” is “profoundly Marxian,” although the phrase is used by people of varying political stripes. Yet another historian, the American Richard Pipes, says, bluntly, “The whole notion is nonsensical.” History does not have sides, although historians do.

While I’m peddling old pieces, let me offer you one on John Kerry and the Latin American Left. I wrote it in 2004, when he was running for president. It is all too relevant right now. It’s called “Back in Sandinista Days . . .”

According to Jesse Jackson, the Sandinistas were “on the right side of history.” And he had this to say about the Khmer Rouge, the Communists who murdered something like a fifth of the Cambodian population: “Unfortunately, sometimes the best of people lose their way.”