Fidel Castro outlasted U.S. presidents determined to overthrow him, survived the collapse of the communist bloc that sustained him and outlived many of those who wanted to replace him. For those reasons, he will go down in history as among the world's most skillful politicians, even if his achievements largely die with him.

Administration officials, in fact, have repeatedly condemned ISIS for its treatment of religious minorities, including Christians. But a bipartisan resolution now moving through Congress calls on the administration to go further and say ISIS is guilty of genocide.

When ISIS last year called for the destruction of the Yazidi people, President Obama said that would constitute genocide and he ordered U.S. forces to keep it from happening. Human rights advocates say Christians now face a similar threat Nina Shea directs the Center for Religious Freedom at the Hudson Institute.

The collapse of the Soviet bloc ended the massive subsidies that had kept the Cuban economy afloat. The once-vaunted education and health care systems fell into disrepair. Fidel Castro's stubbornness, meanwhile, made political and economic change difficult in Cuba.

Fidel Castro was a born rebel.

Donald Trump seems to prefer people he sees as being on his side.

A similar move is underway in the British Parliament. Earlier this month, more than 30 religious leaders and scholars wrote Secretary of State John Kerry asking for a meeting to discuss what's happening to Christians and other minorities. Nina Shea organized the effort.