U.S. Secretary of State John Kerry arrives in Baghdad, Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry speaks during a press conference at the U.S. Embassy in Baghdad, Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry, right, is greeted by members of Iraq's parliament and other leaders before a meeting with the Speaker of the Iraqi Parliament Salim al-Jabouri, far right, in Baghdad, Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry, left, and new Iraqi Prime Minister Haider al-Abadi shake hands after a meeting in Baghdad Sept. 10, 2014.

U.S. Secretary of State John Kerry arrives in Baghdad, Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry, left, listens to new Iraqi Prime Minister Haider al-Abadi during a meeting in Baghdad, Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry, center left, speaks to new Iraqi Prime Minister Haider al-Abadi, center right, during a meeting in Baghdad, Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry, who arrived in Baghdad on Wednesday as he began a tour of the Middle East to build a coalition against the Islamic State militants, looks out over Baghdad from a helicopter, Sept. 10, 2014.

U.S. Secretary of State John Kerry, front left, looks over papers while flying from Jordan to Iraq, Sept. 10, 2014.

U.S. Secretary of State John Kerry arrives at Queen Alia Airport in Amman, Jordan, Sept. 10, 2014.

U.S. Secretary of State John Kerry arrives at Queen Alia Airport, Amman, Jordan, Wednesday, Sept. 10, 2014.