In Spain, a nuclear controversy continues. In fact it dates back to the 1960's when two American Air Force planes collided in midair and exploded, dropping four nuclear bombs on a tiny Mediterranean farming village.
Marco Werman speaks with Svetlana Savranskaya of the National Security Archive at George Washington University about how the West should look beyond Putin's KGB background and treat his proposal seriously.
With the world's attention trained on the global economy, little attention has been paid to a striking goal set by the Russian and American presidents: to rid the world of nuclear weapons. The World's Alex Gallafent reports.