Republicans and their enablers in right-wing media have been touting protection from natural immunity as a way to go after vaccine mandates, claiming they're unfair to those who have previously had COVID, and the talking point used by Louisiana Republican Sen. Bill Cassidy on this Sunday's State of the Union on CNN is one we've heard over and over again, usually going unchallenged since they're generally repeating it on Fox "news" or some other GOP propaganda channel. Tapper asked Cassidy about his state's dismal vaccination rate with half the population remaining unvaccinated.