Skipping the hearing is part of a broader strategy by Democrats to ignore what they consider dubious political fishing expeditions by Republicans.

Sens. John Cornyn and Eric Schmitt advance probe into alleged Biden cognitive decline, with Wednesday's hearing featuring former White House officials, while Democrats call no witnesses.

CNN's Jake Tapper talked about his book, "Original Sin," about former President Joe Biden's declining health during the last year of his term and how it impacted the 2024 presidential campaign.