John Kerry actually said...

I believe that the worst-case military provocations that we witnessed in 2010 will not be repeated except in extraordinary circumstances.

Yes; it is. The most important factor in this is the change in South Korea's willingness to respond to North Korean provocations with force.

We must consider the Libyan regime at war with its own people and we must tell the functionaries of the regime the crimes that they committe...

But, he would be the first to tell you that the job is not done and questions remain.