President Barack Obama calls for a vote as he chairs a United Nations Security Council summit on foreign terrorist fighters at the United Nations in New York, N.Y., Sept. 24, 2014. Official White House Photo by Pete Souza) This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.

President Barack Obama calls for a vote as he chairs a United Nations Security Council summit on foreign terrorist fighters at the United Nations in New York, N.Y., Sept. 24, 2014. Official White House Photo by Pete Souza)

This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.

President Barack Obama talks with Prime Minister Haider al-Abadi of Iraq after their bilateral meeting at the United Nations in New York, N.Y., Sept. 24, 2014.

President Barack Obama talks with Prime Minister Haider al-Abadi of Iraq after their bilateral meeting at the United Nations in New York, N.Y., Sept. 24, 2014.

President Barack Obama meets with advisors prior to a bilateral meeting with Prime Minister Haider al-Abadi of Iraq at the United Nations in New York, N.Y., Sept. 24, 2014. With the President from left are: Phil Gordon, White House Coordinator for Middle East, North Africa and the Gulf Region; National Security Advisor Susan E. Rice; Secretary of State John Kerry; Brett McGurk, Deputy Secretary of State and Deputy Special Presidential Envoy; and Andy Kim, Director for Iraq.

President Barack Obama meets with advisors prior to a  bilateral meeting with Prime Minister Haider al-Abadi of Iraq at the United Nations in New York, N.Y., Sept. 24, 2014. With the President from left are: Phil Gordon, White House Coordinator for Middle East, North Africa and the Gulf Region; National Security Advisor Susan E. Rice; Secretary of State John Kerry; Brett McGurk, Deputy Secretary of State and Deputy Special Presidential Envoy; and Andy Kim, Director for Iraq.

President Barack Obama greets President Dilma Rousseff of Brazil at the United Nations, prior to addressing the United Nations General Assembly in New York, N.Y., Sept. 24, 2014.

President Barack Obama greets President Dilma Rousseff of Brazil at the United Nations, prior to addressing the United Nations General Assembly in New York, N.Y., Sept. 24, 2014.

President Barack Obama, with First Lady Michelle Obama, delivers remarks during a reception for foreign heads of delegation to the United Nations General Assembly, at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama, with First Lady Michelle Obama, delivers remarks during a reception for foreign heads of delegation to the United Nations General Assembly, at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama speaks with Prince Saud Al-Faisal, Foreign Minister of Saudi Arabia following a meeting with Arab coalition leaders in the fight against the terrorist group ISIL in Iraq and Syria, at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama speaks with Prince Saud Al-Faisal, Foreign Minister of Saudi Arabia following a meeting with Arab coalition leaders in the fight against the terrorist group ISIL in Iraq and Syria, at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama convenes a meeting with Arab coalition leaders in the fight against the terrorist group ISIL in Iraq and Syria, at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama convenes a meeting with Arab coalition leaders in the fight against the terrorist group ISIL in Iraq and Syria, at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama meets with King Felipe VI of Spain at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama meets with King Felipe VI of Spain at the Waldorf Astoria Hotel in New York, N.Y., Sept. 23, 2014.

President Barack Obama speaks with former President Bill Clinton backstage prior to delivering remarks during the Clinton Global Initiative in New York, N.Y., Sept. 23, 2014.

President Barack Obama speaks with former President Bill Clinton backstage prior to delivering remarks during the Clinton Global Initiative in New York, N.Y., Sept. 23, 2014.

First Lady Michelle Obama tapes a segment of The Chew in New York, N.Y., Sept. 23, 2014. Participants with the First Lady from left are: Michael Symon, "Let’s Move!" Executive Director Sam Kass, Mario Batali, Daphne Oz, Carla Hall and Clinton Kelly.

First Lady Michelle Obama tapes a segment of The Chew  in New York, N.Y., Sept. 23, 2014. Participants with the First Lady from left are: Michael Symon, "Let's Move!" Executive Director Sam Kass, Mario Batali, Daphne Oz, Carla Hall and Clinton Kelly.