Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
In Mexico, a truck containing radioactive Cobalt-60 - a substance used in medical treatment - has been reported stolen, and there are new fears that the material could be used by terrorists to craft a "dirty bomb." CNN's Brian Todd reports.
As negotiations between Iran and the five permanent members of the U.N. Security Council plus Germany continue, the President's National Security Adviser Susan Rice tells Wolf Blitzer that the deal on the table is "a good one." Specifically, she says, it will roll back the Iranian nuclear program in key respects over a six-month period while increasing the transparency surrounding the program so that the Iranians "can't sneak out or break out." And while some question easing sanctions on Tehran, Rice says the "sanctions architecture" will remain in place so that the relief will be "limited, modest, temporary, and reversible" - less than $10 billion in total.
Another U.S. Air Force unit responsible for nuclear-tipped missiles has failed a key security test, the second unit this year. CNN's Barbara Starr investigates.
As rumors swirl about North Korea's nuclear capabilities, CNN's Tom Foreman explains what it takes to launch a nuke.
RELATED STORY: On North Korea's big day, Kerry underlines conditions for talks
There is concern in the international community that Iran and North Korea are cooperating on nuclear development. CNN's Jill Dougherty reports.
RELATED STORY: Kerry visits South Korea amid North Korea's nuclear threats
You could easily skip by it in an archive search: a project titled "A Study of Lunar Research Flights." Its nickname is even more low-brow: "Project A-119."
But the reality was much more explosive.
It was a top-secret plan, developed by the U.S. Air Force, to look at the possibility of detonating a nuclear device on the moon.
FULL STORY ON SECURITY CLEARANCE BLOG
(CNN) - Israeli sources tell CNN’s Wolf Blitzer that the White House rejected Israeli Prime Minister Benjamin Netanyahu’s request to meet with President Obama later this month to discuss Iran’s nuclear program.
On CNN’s “The Situation Room,” Blitzer reports that the Israelis were told a meeting isn’t possible because the President’s schedule won’t permit it, even when the Israelis offered to have the Prime Minister come to Washington from New York, where he will be addressing the United Nations.
The White House is pushing back, saying the President and Prime Minister simply won’t be in New York at the same time, but this is the tip of the iceberg in a much bigger disagreement over Iran’s suspected quest for nuclear weapons.
CNN's Brian Todd reports on nuclear material found at a Kodak facility in Rochester, New York.
Brian Todd reports on a mysterious Russian scientist who is believed to have helped Iran advance its nuclear program.
Reports indicate Iran is developing nuclear weapons and Israel says it won't sit back and wait. Barbara Starr reports.
RELATED: Iran's nuclear program alarms world powers
The Situation Room with Wolf Blitzer is the command center for breaking news, politics and extraordinary reports from around the world. Tune in weeknights from 5-7pm ET on CNN.
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