US President Joe Biden addresses the nation on the US exit from Afghanistan after a failed 20-year war that he had vowed to end but whose chaotic last days are now overshadowing his presidency.  AFP
US President Joe Biden addresses the nation on the US exit from Afghanistan after a failed 20-year war that he had vowed to end but whose chaotic last days are now overshadowing his presidency. AFP

Biden's pivot from international interventions worries allies