Jeff Sessions actually said...

You do think providing a nuclear umbrella to our allies in the region is something that would have to be considered?

So my view is we should aid them, but if we aid them, we should do it with full malice aforethought.

So they are planning and exercising in their war games the utilization of nuclear weapons?

I do not believe it is fair to say we are acting on--is the possibility of configuring our nuclear arsenal with more specialized weapons.