21:06Newshour20/08/2021 20:06 GMT: US president defends Kabul airliftBBC World Service Duration: 50 minutes Fri 20th Aug 2021, 21:06 on BBC World Service Americas and the CaribbeanBiden says the US has not lost credibility over the situation in Afghanistan. Show more GenresNewsFormatsMagazines & ReviewsBrandNewshour Source: BBC Online