![](https://focus.independent.ie/thumbor/BLMVUlchLZMRGBPP7pCWlFaaLGw=/720x0/smart/prod-mh-ireland/9fdf1be4-c8af-4df5-9808-e135785d891b/8470e4c0-d6a7-46c4-b964-e9d0cc687286/video/video.jpg?# )
President Joe Biden delivered a shaky, halting performance while his Republican rival Donald Trump battered him with a series of often false attacks at their debate on Thursday, as the two oldest presidential candidates ever exchanged personal insults ahead of the November election.