"The theme of the meeting—“Science Without Borders”—is a natural for our time. Think of the world’s most pressing issues—in health, energy and climate, security, and education. All of them have a significant science component. All are international."
I am old enough to remember the Iron Curtain and the Cold War. I recall scientists defecting because of arbitrary boundaries set by nation states. We kept a "balance of power" (more like a "Balance of Terror"). There could be no winners in the acronym "MAD": Mutually Assured Destruction. Yet, we still have nukes. Yet, we argue over the validity of scientific research peer reviewed before publication, meant only to help and not hurt mankind that doesn't fit with personal beliefs or orthodoxy while we watch the planet die beneath us. "MAD" has truly transcended its nuclear origins.
See: Science Without Borders: News Release and Registration