Obama video at Nuclear Security Summit: Two decades after the end of the Cold War we face a cruel irony of history. The risk of a nuclear confrontation between nations has gone down, but the risk of nuclear attack has gone up. Nuclear materials that could be sold or stolen and fashioned into a nuclear weapon exist in dozens of nations.
April 13, 2010 — President Barack Obama kicked off the 47-country Nuclear Security Summit Tuesday, declaring the risk of nuclear attack, not by an enemy nation, but from terrorists, was on the rise despite the end of the Cold War.