Scarred by war, Yemen's children carry burdens beyond their years

In Yemen, some of the most vulnerable victims are the 2 million children on the brink of starvation, or those who lost limbs during the fighting. In Aden, many children have been fit with prosthetic limbs, but with rudimentary materials and old technology, they are sometimes barely functional. Special correspondent Marcia Biggs reports in partnership with the Pulitzer Center on Crisis Reporting.