Joe Biden has 'days to prove he's fit to run' as allies say three events crucial
![Joe Biden has 'days to prove he's fit to run' as allies say three events crucial](https://i2-prod.mirror.co.uk/news/uk-news/article33170053.ece/ALTERNATES/s615/1_us-politics-justice-biden.jpg)
Joe Biden has insisted he won't be 'pushed out' of his re-election bid, but according to allies he has just days to prove he's fit to run with July 4 events seen as crucial