Biden reportedly humiliated by debate performance, lacks confidence: 'It's a mess'

President Biden was reportedly humiliated by his debate performance on Thursday and was "devoid of confidence," according to reports. 

"It's a mess," a person familiar with the president's mood after the debate told NBC News.

The outlet reported several prominent Democrats expressed concern in private over Biden's chances of beating Donald Trump in November following his debate performance. However, they remain steadfast in their support for Biden in public.

"The only person...