Striking a defiant tone, President Joe Biden said Monday that he stands “squarely behind” his decision to withdraw U.S. forces from Afghanistan as he acknowledged the “gut-wrenching” images coming out of the country after the swift Taliban takeover of the government.

Afghanistan’s embattled president left the country Sunday, joining his fellow citizens and foreigners in a stampede fleeing the advancing Taliban and signaling the end of a 20-year Western experiment aimed at remaking Afghanistan.

Two U.S. service members were killed and two others injured Saturday when their vehicle was hit by a roadside bomb in southern Afghanistan, the Pentagon said in a statement.

Could a spice help rebuild Afghanistan? Could it decrease the production of poppy for opium? Meet three Chicago war veterans who have started a business with these goals in mind.

See incredible images of combat zones around the world with a woman whose war photographs caught the attention of Steven Spielberg. Meet photojournalist Lynsey Addario.

As the NATO summit wraps up, we look at what world leaders accomplished and what issues were left unresolved.

In three days, the largest NATO summit in history will be held in Chicago. Defense funding, Afghanistan, and new partnerships will be at the top of the agenda. We look at what the alliance hopes to accomplish this weekend. 

Find out about a musical instrument you've never heard of, and the local virtuoso who was a child prodigy when his family were Afghan refugees in Pakistan. Jay Shefsky has the story.