Mary Lou Retton’s family is responding to the massive and growing show of support after they revealed she is hospitalized with a rare form of pneumonia. NBC’s Morgan Chesky reports for TODAY. » Subscribe to TODAY: on.today.com/SubscribeToTODAY » Watch the latest from TODAY: 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: on.today.com/ReadTODAY Find TODAY on Facebook: on.today.com/LikeTODAY Follow TODAY on Twitter: on.today.com/FollowTODAY Follow TODAY on Instagram: on.today.com/InstaTODAY » Stream TODAY All Day: today.com/allday About: TODAY All Day is a 24/7 streaming channel ...