Preemption Quotes by Charles Krauthammer, Byron Dorgan, Ellen Tauscher and many others.

Preemption is a kind of pre-deterrence that stops the threat at an earlier, safer stage.
If you talk about preemption you better know things rather than think things.
Preemption is the right of any nation in order to preserve its National Security; however, preemptive war is a tactic, not a strategy. When used as a strategy preemption dilutes diplomacy, creates an atmosphere of distrust, and promotes regional instability.