Iraq's President Fouad Massoum delivers a speech during the opening session of the World Climate Change Conference 2015 (COP21) at Le Bourget, near Paris, France, November 30, 2015. REUTERS/Christian Hartmann

Iraq's Prime Minister Haidar al-Abadi (C), Foreign Minister Ibrahim al-Jaafari (L) and President Fouad Massoum attend a conference at the Foreign Ministry in Baghdad March 31, 2015. Iraqi troops aided by Shi'ite paramilitaries have driven Islamic State out of central Tikrit, Abadi said on Tuesday, but the fight to retake all of Saddam Hussein's home town continued. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum (R) and Foreign Minister Ibrahim al-Jaafari attend a conference at the Foreign Ministry in Baghdad March 31, 2015. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum attends a conference at the Foreign Ministry in Baghdad March 31, 2015. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum (L) and Parliament Speaker Salim al-Jabouri attend a conference at the Foreign Ministry in Baghdad March 31, 2015. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during a news conference at Foreign Ministry in Baghdad March 31, 2015. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during a news conference at the Foreign Ministry in Baghdad March 31, 2015. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's President Fouad Massoum speaks during an interview with Reuters at the presidential palace in Baghdad March 25, 2015. Massoum said on Wednesday that the US-led coalition is expected to carry out air strikes soon against Islamic State in the Sunni city of Tikrit, after starting aerial reconnaissance flights this week. REUTERS/Ahmed Saad 

Iraq's Speaker of Parliament Salim al-Jabouri (L) President Fouad Massoum (2nd L), Prime Minister Haider al-Abadi (2nd R) and Ammar al-Hakim (C), leader of the Islamic Supreme Council of Iraq (ISCI), attend a conference dialogue among religious sects in Baghdad January 31, 2015. REUTERS/Khalid al-Mousily (IRAQ - Tags: RELIGION POLITICS) 

Iraq's President Fouad Massoum (L), Prime Minister Haider al-Abadi (R) and Ammar al-Hakim (C), leader of the Islamic Supreme Council of Iraq (ISCI), attend a conference dialogue among religious sects in Baghdad January 31, 2015. REUTERS/Khalid al-Mousily (IRAQ - Tags: RELIGION POLITICS) 

Iraqi President Fouad Massoum (L) meets with Iraqi Kurdish regional President Masoud Barzani in Arbil, in Iraq's northern autonomous Kurdistan region, November 5, 2014. REUTERS/Azad Lashkari (IRAQ - Tags: POLITICS CIVIL UNREST CONFLICT) 

U.S. Vice President Joe Biden (R) gestures next to Iraq's President Fouad Massoum on the sidelines of the 69th United Nations General Assembly at U.N. Headquarters in New York, September 26, 2014. REUTERS/Brendan McDermid (UNITED STATES - Tags: POLITICS) 

U.S. Vice President Joe Biden (R) shakes hands with Iraq's President Fouad Massoum on the sidelines of the 69th United Nations General Assembly at U.N. Headquarters in New York, September 26, 2014. REUTERS/Brendan McDermid (UNITED STATES - Tags: POLITICS) 

U.S. Vice President Joe Biden (R) shakes hands with Iraq's President Fouad Massoum on the sidelines of the 69th United Nations General Assembly at U.N. Headquarters in New York, September 26, 2014. REUTERS/Brendan McDermid (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (C) addresses the 69th United Nations General Assembly at United Nations Headquarters in New York, September 26, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum sits in a chair reserved for heads of state before his address to the 69th United Nations General Assembly at United Nations Headquarters in New York, September 26, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum addresses the 69th United Nations General Assembly at United Nations Headquarters in New York, September 26, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum is escorted to the stage for his address to the 69th United Nations General Assembly at United Nations Headquarters in New York, September 26, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum addresses the 69th United Nations General Assembly at United Nations Headquarters in New York, September 26, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (C) walks to the podium for his address to the 69th United Nations General Assembly at United Nations Headquarters in New York, September 26, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (3rd R) meets United Nations Secretary-General Ban Ki-moon during the 69th United Nations General Assembly at U.N. headquarters in New York September 26, 2014. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (L) meets United Nations Secretary-General Ban Ki-moon during the 69th United Nations General Assembly at U.N. headquarters in New York September 26, 2014. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum attends the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (L) shakes hands with United Nations Secretary-General Ban Ki-moon during the 69th United Nations General Assembly at U.N. headquarters in New York September 26, 2014. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (C) and United Nations Secretary-General Ban Ki-moon arrive before shaking hands during the 69th United Nations General Assembly at U.N. headquarters in New York September 26, 2014. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (L) shakes hands with United Nations Secretary-General Ban Ki-moon during the 69th United Nations General Assembly at U.N. headquarters in New York September 26, 2014. REUTERS/Eduardo Munoz (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum speaks at the Council on Foreign Relations in New York September 26, 2014. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS) 

Iraq's President Fouad Massoum (L) sits next to Iran's President Hassan Rouhani during the Climate Summit at the U.N. headquarters in New York September 23, 2014. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ENVIRONMENT) 

Iraq's President Fouad Massoum (L) sits next to Iran's President Hassan Rouhani during the Climate Summit at the U.N. headquarters in New York September 23, 2014. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ENVIRONMENT) 

Iran's President Hassan Rouhani (R) smiles while sitting next to Iraq's President Fouad Massoum during the Climate Summit at the U.N. headquarters in New York September 23, 2014. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ENVIRONMENT) 

Iraq's President Fouad Massoum (L) sits next to Iran's President Hassan Rouhani during the Climate Summit at the U.N. headquarters in New York September 23, 2014. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ENVIRONMENT) 

Iraq's President Fouad Massoum (L) sits next to Iran's President Hassan Rouhani during the Climate Summit at the U.N. headquarters in New York September 23, 2014. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ENVIRONMENT) 

Iraq's President Fouad Massoum (L) sits next to Iran's President Hassan Rouhani during the Climate Summit at the U.N. headquarters in New York September 23, 2014. REUTERS/Adrees Latif (UNITED STATES - Tags: POLITICS ENVIRONMENT) 

Iraq's President Fouad Massoum (L) talks with Saudi Arabian Foreign Minister Prince Saud al-Faisal (C) and Iraqi Foreign Minister Ibrahim al-Jaafari as they arrive for a family photo during the International Conference on Peace and Security in Iraq, at the Quai d'Orsay in Paris September 15, 2014. French President Hollande called on Monday for a global response to counter Islamic State militants during an International conference bringing together about 30 countries to discuss how to cooperate in the fight against Islamic State militants, saying the group posed a security threat the world over. REUTERS/Michel Euler/Pool (FRANCE - Tags: POLITICS MILITARY) 

Iraq's President Fouad Massoum (L), French President Francois Hollande (2ndL), French Foreign Minister Laurent Fabius (C) and U.S. Secretary of States John Kerry (2ndR) pose for a family photo during the International Conference on Peace and Security in Iraq, at the Quai d'Orsay in Paris September 15, 2014. French President Hollande called on Monday for a global response to counter Islamic State militants during an International conference bringing together about 30 countries to discuss how to cooperate in the fight against Islamic State militants, saying the group posed a security threat the world over. REUTERS/Michel Euler/Pool (FRANCE - Tags: POLITICS MILITARY) 

Iraq's new Prime Minister Haider al-Abadi (L) and Iraqi President Fouad Massoum speak during the session to approve the new government in Baghdad, September 8, 2014. Iraq's parliament approved a new government headed by Haider al-Abadi as prime minister on Monday night, in a bid to rescue Iraq from collapse, with sectarianism and Arab-Kurdish tensions on the rise. REUTERS/Hadi Mizban/Pool (IRAQ - Tags: POLITICS) 

Iraqi President Fouad Massoum meets with Swedish Foreign Minister Carl Bildt (unseen) in Baghdad August 18, 2014. REUTERS/Karim Kadim/Pool (IRAQ - Tags: POLITICS) 

Iraqi President Fouad Massoum (R) meets with Swedish Foreign Minister Carl Bildt in Baghdad August 18, 2014. REUTERS/Karim Kadim/Pool (IRAQ - Tags: POLITICS) 

U.S. Ambassador Zalmay Khalilzad (R) joins Iraqi Communications Minister Jowan Fouad Massoum (L) and Planning Minister Barham Salih during an Iraqi government cabinet meeting in Baghdad March 28, 2006. Saleh al-Mutlak, an Iraqi Sunni political leader, said on Tuesday that a government of national unity could be formed soon. REUTERS/Ceerwan Aziz 

Fouad Massoum chairman of the preparatory committee of Iraq's national conference addresses a conference in Baghdad. Fouad Massoum, chairman of the preparatory committee of Iraq's national conference addresses a joint news conference in the capital Baghdad July 29, 2004. A major political conference to chart Iraq's path to democracy has been postponed until August 15 under pressure from the United Nations, raising concerns that elections planned for early next year might also be delayed. REUTERS/Ceerwan Aziz 

Fouad Massoum chairman of the preparatory committee of Iraq's national conference addresses a conference in Baghdad. Fouad Massoum, chairman of the preparatory committee of Iraq's national conference speaks during a joint news conference with Jamal Benomar, U.N. representative in Iraq in the capital Baghdad July 29, 2004. A major political conference to chart Iraq's path to democracy has been postponed until August 15 under pressure from the United Nations, raising concerns that elections planned for early next year might also be delayed. REUTERS/Ceerwan Aziz 

Jamal Benomar, U.N. representative in Iraq listens to the chairman of the preparatory committee of Iraq's national conference during a conference in Baghdad. Jamal Benomar, a U.N. representative in Iraq (R) listens to Fouad Massoum, chairman of the preparatory committee of Iraq's national conference as they address a joint news conference in the capital Baghdad July 29, 2004. A major political conference to chart Iraq's path to democracy has been postponed until August 15 under pressure from the United Nations, raising concerns that elections planned for early next year might also be delayed. REUTERS/Ceerwan Aziz