LOUISVILLE, Ky. (WDRB) -- Sen. Rand Paul is not backing down from his argument that people with immunity to COVID-19 should not have to wear masks in public. Paul appeared at the Galt House and was in Louisville one day after clashing with infectious disease expert Dr. Anthony Fauci during a Senate hearing over the science of masks. [cut] "If Dr. Fauci comes up with evidence that shows me that some new variant is here and thousands of people are dying and in the hospital, and the hospitals are overrun with people who have already had it or been vaccinated,...