With John Bolton’s appointment as national security adviser, the odds have significantly risen that President Trump will abandon his predecessor’s nuclear deal with Iran. But there’s no need for hyst…

The president-elect knows only too well the failures of all the presidents who preceded him, and the hardening of positions that's occurred on both sides.

We are entering a new and dangerous period of nuclear competition.

The scope of national security is expanding beyond violent threats to encompass a broader array of dangers.