Remains of Libya attack victims return home

Updated at 4:09 p.m. ET

(CBS/AP) ANDREWS AIR FORCE BASE, Md. - President Obama on Friday honored the four Americans killed in an attack on the U.S. consulate in Libya, recalling their lives in deeply personal terms and declaring the United States will never pull back on its principles or "retreat from the world."

"Their sacrifice will never be forgotten," Mr. Obama said as four flag-draped cases rested near him. He had come to witness the return of those slain in the assault on the American diplomatic mission, including the U.S. ambassador, Christopher Stevens.

In the heat of a presidential election year, the scene was a gripping reminder of the danger facing Americans in diplomatic and military service every day, and of the turmoil in an incendiary region of the world that continues to test Mr. Obama's leadership.

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