At the age of 88, making her the oldest current senator, Dianne Feinstein is under intense scrutiny about her mental fitness. Four unnamed senators claim Feinstein’s memory “is rapidly deteriorating” and question whether she should step down before her term ends in 2024. NBC’s Kelly O’Donnell reports from the White House for Saturday TODAY. » Subscribe to TODAY: http://on.today.com/SubscribeToTODAY » Watch the latest from TODAY: http://bit.ly/LatestTODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: http://on.today.com/ReadTODAY Find TODAY on Facebook: http://on.today.com/LikeTODAY Follow TODAY on Twitter: http://on.today.com/FollowTODAY Follow TODAY on Instagram: http://on.today.com/InstaTODAY #news #politics #Senate