Ray McGovern, a former CIA analyst turned peace activist, discusses his arrest Thursday night while trying to  gain entry to see former CIA director David Petraeus speak in New York City.

Antonio Buehler, founder of the Peaceful Streets Project, discusses his Not Guilty verdict on the charge of Disobeying a Lawful Order, stemming from his arrest in 2012 for confronting and videotaping Austin, Texas police officers who were assaulting a woman.

Matthew Hoh, a Senior Fellow at the Center for International Policy, discusses how US support for the Shia government in Iraq perpetuates a cycle of violence; why there is rarely a "good side" in civil wars; the domestic political calculations behind US wars since Vietnam; and how to defeat the Islamic State without firing a single shot.

Grant F. Smith, director of the Institute for Research: Middle Eastern Policy, discusses his federal lawsuit demanding the release of a 1987 DoD study on Israel's nuclear weapons program; and why he wants to end the US government's pretense of ignorance about Israel's nukes.

Gareth Porter, an award-winning journalist and author of Manufactured Crisis, discusses how an Iran nuclear deal hinges on Obama's willingness to fight for an end to sanctions.

Jeffrey A. Tucker, CEO of Liberty.me and publisher of Laissez-Faire Books, discusses Murray Rothbard's take on the politics of Christian and secular millennialism and eschatology.

Nebojsa Malic, a regular columnist for Antiwar.com, discusses how Ukraine's elections manufactured legitimacy for the current regime; the neo-Nazis killing civilians in eastern Ukraine; and the small group of US foreign policy elites who stir up trouble all over the world.

Will Grigg, blogger and author of Liberty in Eclipse, discusses the media's spin of witness statements in the police killing of Michael Brown in Ferguson, Missouri; Alejandro Natividad's brave non-violent resistance to police bullying in La Quinta, California; and how social media is effecting the public's perception of law enforcement.

Trita Parsi, president of the National Iranian American Council, discusses his article "How Congressional Hawks Plan to Kill Obama's Iran Deal."

Attorney and author John Whitehead discusses his article "Hollow Justice and Courts of Order in an Age of Government-Sanctioned Tyranny."

Peter Hart, the activism director at Fairness & Accuracy in Reporting, discusses the latest media hit piece on journalist Gary Webb, who reported on the links between the CIA, the Contras, and the crack epidemic in the 1980s.

Robert A. Pape, Professor of Political Science at the University of Chicago, discusses what motivates terrorism against the US; Obama's forward-looking strategy in Iraq; why ISIS appeals to ordinary Sunnis; and the Chicago Project on Security & Terrorism.

Shane Bauer, a reporter in Mother Jones' San Francisco bureau, discusses his investigation of a SWAT team training competition in the San Francisco area and his article "The Making of the Warrior Cop."

Patrick Cockburn, an award-winning journalist with The Independent, discusses the US airdrop to resupply Kurdish fighters battling ISIS for control of the Syrian border town of Kobani; Turkey's reluctance to help the Kurds; and the US's ridiculous anti-ISIS coalition.

Eric Margolis, journalist and author of American Raj, discusses the attack on Canada's Parliament in Ottawa; provocative Russian military maneuvers by air and sea; and how the West helped Saddam Hussein's Iraq obtain biological weapons.