Former defense secretary: Biden looking weak on world stage 'very, very serious'

Former Trump defense secretary Mark Esper on Sunday expressed concern over how President Biden's debate performance was perceived on a world stage, suggesting it could sew doubt within foreign allies and adversaries about his ability to serve.

"I mean, it's very, very serious. I mean, if you're a foreigner, an ally or a partner, you're looking at this and you start questioning...Does he have the stamina to go another four years?" Esper said on CNN. "And look, you can't help but answer and say...