Stalin's policies pushed the world into the Cold War. Putin has the potential to be equally as dangerous.

We in the West walked away from Afghanistan at the end of the Cold War and left it as a country devastated socially and armed to the teeth. If we do that again, there will be consequences.

The Cold War is over but Cold War thinking survives.

[The Soviet State Security Service] is more than a secret police organization, more than an intelligence and counter-intelligence organization. It is an instrument for subversion, manipulation and violence, for secret intervention in the affairs of other countries.

We're no longer in the Cold War. Eavesdropping on friends is unacceptable.

World War II, the atomic bomb, the Cold War, made it hard for Americans to continue their optimism.