Obama jokes about Tim Walz's shirts. See his wife's reaction CNN 0 81 08.21 23:24 https://www.youtube.com/watch?v=ZvAA0eCL-bE + 22 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 21 Obama jokes about Tim Walz's shirts. See his wife's reaction