Ex-Obama official Julián Castro calls on Democrats to replace Biden on ticket

Former Obama administration official Julián Castro called on Democrats to replace President Biden as the party nominee on Tuesday, joining a growing chorus worried about his fitness for office and ability to beat former President Trump.

Castro said Trump was vulnerable due to his personal corruption and felony convictions, but Democrats were stuck defending Biden's "baggage" in the wake of his feeble debate performance and growing questions and reports about his cognitive decline. 

"If you switch candidates...