Gareth Porter, an award-winning investigative journalist and historian, discusses the IAEA's "final assessment" on the possible military dimensions of Iran's nuclear program; and how the agency has served as the US's political tool for many years.

Daniel Sanchez, a regular columnist for Antiwar.com, discusses the new Star Wars movie and how the Star Wars franchise reinforces Randolph Bourne's claim that "war is the health of the state."

Daniel Larison, a senior editor at The American Conservative, discusses the bleak prospects for a UN-brokered ceasefire in Yemen, where the Saudi coalition's blockade threatens starvation and a humanitarian catastrophe.

Stephen Zunes, professor of politics and international studies at the University of San Francisco, discusses why Israel still wants regime change in Syria, even if the Islamic State takes over; and US efforts to eliminate all nationalist Arab governments.

Eric Schuler, a blogger at The Daily Face Palm, discusses Rand Paul's pushback against the belligerent warmongers among the Republican presidential candidates; and how Donald Trump has somehow managed to get rank and file Republicans to accept the Iraq War was a mistake.

Peter Van Buren, author of We Meant Well: How I Helped Lose the Battle for the Hearts and Minds of the Iraqi People, discusses "Why the Gulf States, the Kurds, the Turks, the Sunnis, and the Shia Won't Fight America's War" against the Islamic State.

Scott Adams, creator of the Dilbert comic strip, discusses how Donald Trump's "master persuader" skills are helping him dominate the other Republican presidential candidates and confound the media's attempts to knock him down.

Philip Giraldi, a former CIA officer and Executive Director of The Council for the National Interest, discusses the special interests pushing for a renewed US-Russia Cold War; and Turkey's dealings with ISIS and Syria.