"caravans" old and new

Opinion piece by Kevin Jennings in the Daily News entitled The caravans that came before: The desperation of today's migrants echoes those of yesteryear asking how desperate must a people be when then move?

He answers: "Indeed, history teaches us that many of our forebears who came to the United States did so out of similar desperation, a desperation so severe that it led them to take the extreme risks that emigration often entails. "