The commitment to international agreements is embodied, it's found in the U.S. Constitution. Article Six of the U.S. Constitution provides that treaties of the United States are part of the supreme law of the land along with the constitution itself and laws passed by Congress. Well, the US government certainly has not been acting in recent years as if treaties were part of the supreme law of the land.

Natural history is a matter of observation; it is a harvest which you gather when and where you find it growing. Birds and squirrels and flowers are not always in season, but philosophy we have always with us. It is a crop which we can grow and reap at all times and in all places and it has its own value and brings its own satisfaction.

Especially in the case of India and Pakistan, it's very clear that significant parts of the elites in both countries view having nuclear weapons as a ticket to prestige.

Serene, I fold my hands and wait, Nor care for wind, nor tide, nor sea; I rave no more 'gainst time or fate, For lo! my own shall come to me.

Blessed is the man who has some congenial work, some occupation in which he can put his heart, and which affords a complete outlet to all the forces there are in him.

There is an international treaty framework for this. It's the Nuclear Non-Proliferation Treaty (NPT). Most countries in the world are members of the treaty.

If you want to see birds, you must have birds in your heart.