The Cold War is an increasingly distant memory in American military minds, except in the minds of the arms control community, and in particular those who seek the elimination of nuclear weapons. Alas, our president is a member in good standing of this community—indeed, an organizer.So, too, it...

Barack Obama’s presidency has had profoundly negative consequences for our national security. From debilitating cuts in defense budgets, to gutting national missile defense efforts, to his unwillingness to acknowledge a continuing war against terrorism, to his inability to stem the nuclear proliferation threats posed by North Korea and Iran....the picture is bleak.

Heads of state and foreign ministers from 50-plus countries will gather next week in Seoul, South Korea, to discuss the threat of nuclear terrorism, a follow-up to the first “nuclear-security summit” convened two years ago in Washington by President Obama.

Chinese strategists are thinking how to win a nuclear war. What is the U.S. doing?

Obama's irresolution and inaction could well make a nuclear Iran his most lasting legacy.

The Valentine's Day announcement of new scientific and technological achievements in Iran's nuclear program demonstrates the continued broadening and deepening of its capacities in this sensitive, dangerous field.

Ongoing efforts to stop Iran from acquiring nuclear weapons have failed, and the prospect of a nuclear-armed Iran is fast approaching reality. What are the real diplomatic, strategic and military costs and challenges?

Today’s bombing of an Israeli diplomat’s car in New Delhi is sure to raise international scrutiny on India’s problematic ties with Iran.