Attorney for RFK Jr. petitioned FDA to repeal polio vaccine approval

The transcript discusses RFK Junior's nomination by President-elect Trump to lead the Department of Health and Human Services and his upcoming meetings with senators. It highlights a New York Times report about RFK Junior's lawyer petitioning the US government to retract polio vaccine approvals. McConnell, who had polio as a child, criticizes efforts to block the vaccine, calling them dangerous. He advises those seeking Senate consent to avoid any association with such efforts.

What was the context of the New York Times report mentioned in the text?

What personal experience does McConnell have that relates to the polio vaccine discussion?