Iraq

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Former U.S. Ambassador to Iraq Ryan Crocker said Tuesday that Secretary of State John Kerry "should be on a plane right now for Baghdad" as Iraq's government struggles to defend the capital from ISIS militants. (CBS News)

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Iraqis who have fled the violence in their hometown of Mosul unload their car at Khazir refugee camp outside of Irbil, 217 miles north of Baghdad, Iraq, Monday. (associated press)

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Shiite tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) in Basra. Sunni militants captured a key northern Iraqi town along the highway to Syria early on Monday, compounding the woes of Iraq's Shiite-led government a week after it lost a vast swath of territory to the insurgents in the country's north. (associated press)

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Shiite tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) in Basra, Iraq's second-largest city, 340 miles (550 kilometers) southeast of Baghdad, Iraq, Monday, As the U.S. masses air power on Iraq's doorstep, analysts are warning that missiles and bombs will have limited impact on Islamic militants unless the Iraqi army stops running and starts fighting. (AP Photo/ Nabil Al-Jurani)

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Demonstrators chant pro-al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) as they wave al-Qaida flags in front of the provincial government headquarters in Mosul, 225 miles (360 kilometers) northwest of Baghdad, Iraq, Monday, June 16, 2014. Sunni militants captured a key northern Iraqi town along the highway to Syria early on Monday, compounding the woes of Iraq's Shiite-led government a week after it lost a vast swath of territory to the insurgents in the country's north. (AP Photo)

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National Edition News cover for June 16, 2014 - President ignored general’s pleas to keep American forces in Iraq: Shiite tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) in Basra, Iraq's second-largest city, 340 miles (550 kilometers) southeast of Baghdad, Iraq, Sunday, June 15, 2014. (AP Photo/ Nabil Al-Jurani); U.S. Army Chief of Staff John Keane listens as soldiers from 1st Battalion 64 Armor Regiment ask him questions during his visit to Fallujah, Iraq Saturday, July 5, 2003. The four-star general is on a three-day visit to see American soldiers in Iraq. One soldier asked him about a proposal to reduce the size of the Army, and he replied, " We have our hands full. We will not reduce the Army. " (AP Photo/John Moore)

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This image posted on a militant website on Saturday, June 14, 2014, which has been verified and is consistent with other AP reporting, appears to show militants from the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) with truckloads of captured Iraqi soldiers after taking over a base in Tikrit, Iraq. (AP Photo via militant website)

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ADVISOR: Former Army Vice Chief of Staff John M. Keane recommended 23,000 American troops remain in Iraq. (associated press)

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Sen. Lindsey Graham said Sunday that the decision to withdraw U.S. forces from Iraq has made the chances for another 9/11-like attack on American soil "inevitable." (CBS News)