KABUL, AFGHANISTAN - MARCH 7: Lt General John Campbell greets US Defense Secretary Robert Gates (R) as he arrives at Bagram Air Field on March 7, 2011, 60 km north of Kabul in Afghanistan. Gates flew... more 
KABUL, AFGHANISTAN - MARCH 7: Lt General John Campbell greets US Defense Secretary Robert Gates (R) as he arrives at Bagram Air Field on March 7, 2011, 60 km north of Kabul in Afghanistan. Gates flew into Kabul to assess the US-led war effort amid tensions with Afghan President Hamid Karzai over the deaths of nine children in a NATO air strike. Gates is making his 13th visit to Afghanistan to meet with troops on the ground and with Afghan leaders. (Photo by Mandel Ngan - Pool/Getty Images) less 
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Mon, Mar 7, 2011 7:32 AM EST