Gen. Carter Ham is head of the U.S. African command. An Army brigade from Fort Riley, Kan., will begin helping train African militaries beat back a growing terrorist threat posed by al-Qaida. AP hide caption

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Sen. Chuck Hagel, R-Neb., and then-presidential candidate Barack Obama in Amman, Jordan, in 2008. Paul J. Richards/AFP/Getty Images hide caption

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U.S. Sen. John Kerry (left), who was nominated Friday to be secretary of state, is shown shaking hands with Pakistani Prime Minister Yousuf Raza Gilani during a trip to Pakistan last year. Aamir Qureshi/AFP/Getty Images hide caption

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One of these snow globes doesn't belong onboard. The one on the left, which is about the size of a tennis ball, is permitted in your carry-on luggage. The one on the right is not. Ryan Smith /NPR hide caption

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A hilltop view of the 18-foot fence along the U.S.-Mexico border west of Nogales, Ariz. Ted Robbins/NPR hide caption

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Sen. John Kerry, D-Mass., led a Senate hearing Thursday on the Sept. 11 attacks in Benghazi, Libya. Karen Bleier/AFP/Getty Images hide caption

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An armed man waves his rifle as buildings and cars are engulfed in flames after being set on fire inside the U.S. Consulate compound in Benghazi late on Sept. 11. AFP/Getty Images hide caption

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Chris Stevens speaks to the media in Benghazi, Libya, in 2011. Stevens, the U.S. ambassador to Libya, was killed on Sept. 11 of this year. Three U.S. government officials resigned Wednesday following a report that cited inadequate security. Ben Curtis/AP hide caption

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Libyan President Mohammed el-Megarif speaks during a memorial service in Tripoli for U.S. Ambassador to Libya, Chris Stevens, and three consulate staff killed in Benghazi on Sept. 11. Abdel Magid al-Fergany/AP hide caption

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