We conclude a series of conversations about Iraq and ISIS with retired Marine Matt Victoriano, who served in Iraq.

A Marine Who Fought In Iraq On The Fight Against ISIS

Retired Marine Matt Victoriano (center) served as a scout and sniper team leader from 2000 to 2004, participated in the invasion of Iraq in 2003. (Facebook)

0710_matt-victoriano

What Now For Iraq?

In part four of our series this week, we speak with Iraqi-American policy analyst Ahmed Ali, a visiting fellow at the Washington Institute.

The Iraq War And The Rise Of ISIS

A U.S. Army trainer (L), instructs Iraqi Army recruits at a military base on April 12, 2015 in Taji, Iraq. Members of the U.S. Army's 5-73 CAV, 3BCT, 82nd Airborne Division are teaching members of the newly-formed 15th Division of the Iraqi Army, as the Iraqi government launches offensives to try to recover territory lost to ISIS last year. (John Moore/Getty Images)

0610_iraq-troops

Politics

policy

In the third part of our series this week about Iraq and ISIS, we hear from former war correspondent Rajiv Chandrasekaran.

How The Iraq War Informed The Rise Of ISIS

Iraqi policemen raise their weapons during a training session at a camp in the Bardarash district, 30 kilometres northeast of Mosul on January 10, 2015 as they prepare to recapture the northern Iraqi city of Mosul, currently under the control of Islamic State (ISIS) group fighters. ISIS spearheaded a sweeping militant offensive in June that overran large areas north and west of Baghdad, and also holds significant territory in Iraq and Syria. (Safin Hamed/AFP/Getty Images)

0217_iraq-mosul

A former national security adviser to President George W. Bush says the rise of ISIS can be tied to decisions made by President Obama.

Elliott Abrams On Iraq, ISIS

Senior Fellow for Middle Eastern studies at the council on Foreign Relations Elliott Abrams testifies before the House Foreign Affairs Committee on Capitol Hill in Washington, D.C., February 9, 2011 on the recent developments in Egypt and Lebanon. (Jim Watson/AFP/Getty Images)

0707_elliott-abrams

This is the first in a series of conversations about the relationship between the Iraq War and fight against ISIS.

A Marine Who Fought In Iraq On The Fight Against ISIS

The Iraq War And The Rise Of ISIS

How The Iraq War Informed The Rise Of ISIS

Elliott Abrams On Iraq, ISIS

Military Analyst Andrew Bacevich On Iraq, ISIS