Late Saturday night, a Taliban truck bomb ripped through a military base in eastern Afghanistan, injuring 77 U.S. troops. It also sent shrapnel up to a mile away, killing an Afghan policeman and four civilians.
President Obama says for all that's changed in the decade since the Sept. 11 terrorist attacks, America's character as a nation has endured, stronger than ever. Obama spoke at a memorial concert in Washington, D.C. Sunday night, marking the 10th anniversary of the attacks. It was one of many ceremonies held across the country, honoring a decade of loss and survival.