Visiting Germany, Poland and Estonia, Bush will seek to bolster his foreign policy credentials.
Samir Abd Muhammad al-Khlifawi, who went by the pseudonym Haji Bakr, meticulously described the operations of the Islamic State in the 31-page document.
Australian foreign minister Julie Bishop announced the agreement after high-level talks with Iran's president.
In a new video, ISIS showed two groups of Christians being executed.
Two groups of captives appear to have been killed in the video released by the Islamic State group Sunday.
The governor of Iraq's strife-torn Anbar province says the situation is spiraling out of control to an unprecedented degree.
Around 1,700 Shiite soldiers were believed to have been bound and executed by Islamic State group militants in Tikrit last summer.
The teens were arrested on suspicion of being "associates" of an ISIS sympathizer shot dead by Melbourne police after he stabbed officers in September.
A car bombing claimed by the Islamic State killed three people on Friday outside the U.S. consulate in Erbil, in a relatively rare attack in the capital of Iraq's Kurdistan region.
The explosion in Irbil occurred in an area frequented by Westerners.
Izzat Ibrahim al Douri led an insurgent group that contributed to the rise of ISIS.
Conservatives suggested that the Sandy Hook charity was pushing for gun control, and criticized country music stars for their involvement.
Syria will celebrate 69 years of independence from foreign rule on Thursday, but the Arab country is still besieged by a civil war.
Islamic State militants clashed with security forces inside Iraq's largest refinery on Thursday and held on to recent gains in the west of the country, as Prime Minister Haider al-Abadi said the extremist group remained "very, very dangerous."
If the U.N. arms embargo on Libya is lifted, Russia will begin supplying weapons to the legitimate Libyan government.
The oil-rich kingdom is pumping 10.29 million barrels a day. The U.S. output is even higher, but that will change.
A former ISIS prisoner reportedly told authorities that German converts were guarding and torturing people in Syria.
Muslim Central Asia is becoming a ripe recruitment area for ISIS militants, Iran warns.
And it also destroyed a family. Following this week's Blackwater verdict, one Iraqi man reflects on what it was like not knowing who killed his father.
Police officials said the email address was being accessed from 10 different countries, including the U.S. and Canada.
The Kosovo Center for Security Studies, which published the new study, blamed the country's government for neglecting its poor rural areas.
The International Energy Agency said Wednesday that new data on global oil demand and supply provide little clarity on price forecasts.