The president defended his record on Ukraine, Gaza and Afghanistan but foreign policy successes have been few

On paper, few US presidents could boast the foreign policy bona fides of Joe Biden, a veteran statesman with nearly a half-century of experience before he even stepped into office.

But as his term comes to an end, critics have said that the president will leave a legacy of cautious and underpowered diplomacy, as even allies have conceded that the administration is still grasping for a cornerstone foreign policy success.