We’ll talk with Washington Post national security columnist David Ignatius about Tehran and Washington and his new spy thriller, “The Increment.”

Former Vice President Dick Cheney has become attacker-in-chief of President Barack Obama. We’ll look at Dick Cheney and his role, motives, and message out of office.

As Pakistan’s president comes to the White House, fears in Washington grow over Pakistan’s nuclear arsenal and the Taliban. We’ll look at the loose-nuke threat on the Af-Pak front.

They’re calling it “GhostNet” — a vast cyber-spying network, suspected to be run from China. We talk with the computer sleuths who uncovered it, and ask them how they did it.

A new plan for Afghanistan. Pakistan, too. We’ll look at the Obama strategy and what it’s up against.

The CIA warns that global economic crisis could spell instability for Latin America, from Argentina north. We’ll ask what’s coming.

Barack Obama says the prison for terrorists at Guantanamo Bay must be closed. We’ll ask how.

Admiral William Fallon, head of U.S. Central Command until last year, gives us his read on threats, and opportunities, now in the Middle East and beyond.

Spies, lies and nukes. We’ll look at a new history of nuclear proliferation – and how the bomb really spread.

The White House, Pentagon, and American business, all hacked. We look at the new front lines of global confrontation.

Obama’s national security team goes bipartisan. Will his policy? We’ll ask top analysts what kind of defense the country really needs.

Brent Scowcroft, national security advisor to Bush I — and a sober critic of Bush II on foreign policy. He joins us for a look abroad now.

The 2001 anthrax case may be drawing to a dramatic close. But plenty of questions remain about the government’s effort to counter bioterrorism. We look at the threats and the nation’s readiness.