Journalist and commentator Brad Polumbo says US President Joe Biden is "slowly walking to a historic defeat" ahead of the elections in November.
“If Democrats had any sense to them they would be doing everything they can to switch him out,” Mr Polumbo told Sky News host Peta Credlin.
“But the problem is there’s not really a mechanism or a way to switch him out. The Democrats can’t remove him as their nominee without him going along with it.”
