"In the past we have never shown enough deterrence," he said.
"Now it happens every day that a police officer is killed somewhere, and there is not enough deterrence," one officer said, speaking, like all his peers, on condition of anonymity.
In such a world, cold war deterrence is no longer enough.
As if the list of disagreement was not long enough, nuclear deterrence is also a crucial issue on which the allies are not aligned.
Israel agreed in 2009 to an unconditional ceasefire in the hope that it had sufficiently weakened the group and created enough of a deterrence.
The problem, as he saw it, was that capital punishment no longer served its main purpose — deterrence — because it wasn't used enough.
Only a small fraction of the incidents, 3,192 in 2011, are reported, and a mere 10 percent of those cases proceed to trial — hardly enough to create meaningful deterrence to criminal behavior and establish accountability.
Naming the actors and imposing costs on Russia is about deterrence, and deterrence alone is not enough.
The thing to remember about nuclear deterrence is that it works best when enough of it is visible to scare the enemy into behaving sensibly.
Maleeha Lodhi, Pakistan's ambassador to the United States, said in an interview that the years of deterrence through "nuclear ambiguity" had worked well enough, but that when India tested, Pakistan had no choice but to follow suit.
Netanyahu appears to have launched the raid to decapitate Hamas's military leadership, destroy its armory, and show that Israel is strong enough to enforce a policy of deterrence.
