The 47-year-old nuclear elephant in the room

By Douglas Birch and R. Jeffrey Smith

A growing number of U.S. experts say that feigning ignorance about Israel’s nuclear arsenal creates more trouble than it averts.

Briefing the president but keeping the public in the dark

By James Arkin

Washington kept grim early estimates of the death and destruction from a nuclear war with Russia secret for more than half a century.

Obama administration embraces major new nuclear weapons cut

By R. Jeffrey Smith

Officials back a new targeting plan and a one-third reduction in the U.S. arsenal.