NEW: Lawmakers reveal Ron Klain's testimony on Biden's mental fitness
Fox News' Madeleine Rivera provides details on Ron Klain's testimony before House lawmakers on what was known about former President Biden's mental decline. #foxnews #biden #ronklain #whitehouse #politics Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www ...
