Andrew Bacevich, a retired Army colonel and bestselling author, discusses his new book America's War for the Greater Middle East: A Military History; and why the basic flawed premise of US foreign policy remains unchallenged by the Republican and Democrat presidential candidates.

Jim Lobe, founder of Lobelog.com, discusses the neoconservatives who have dominated US foreign policy for decades - who they are, and what their agenda is.

Ted Snider, a writer on US foreign policy and history, discusses the telltale signs that a US-sponsored "silent coup" is taking place in Brazil; and how the Operation Lava Jato anti-corruption probe is being used to take down Brazil's leftist Workers' Party, including former President Lula Da Silva.

Gareth Porter, an award-winning investigative journalist and historian, discusses why the US, EU, and UN still threaten sanctions against Iran even though they are fulfilling their obligations under the nuclear agreement.

Jason Ditz, news editor for Antiwar.com, discusses how a conflict over the Nagorno-Karabakh region could lead to war between Armenia and Azerbaijan; and why Libyans don't want any more "help" from Western intervention.

Daniel Lazare, a journalist and author of The Frozen Republic: How the Constitution is Paralyzing Democracy, discusses how the Obama administration's arming of Syrian jihadists facilitated the Islamic State's rise and led to the terrorism now targeting Europe.