MS NOW’s Ari Melber reports on Robert Mueller’s legacy and is joined by Andrew Weissmann, who served as former FBI general counsel and deputy to Mueller during the investigation into ties between Trump’s 2016 campaign and Russia. (The Beat's YouTube: https://ms.now/ari) MS NOW: My Source for News, Opinion, and the World. » Subscribe to MS NOW: https://www.youtube.com/@msnow MS NOW is the go-to destination for domestic and international breaking news, and best-in-class opinion journalism. For