NBCUniversal December 5, 2018 12:12 pm Historian: George H.W. Bush Once Shook a Mannequin's Hand Presidential historian Jon Meacham remembers when, on the campaign trail, former President George H.W. Bush had an interaction with a mannequin. US & World Videos 1:40 Democrats say Big Oil misled public for decades about climate change 4:14 What to expect: Previewing the 2024 Met Gala 3:37 Learning about the Art Resource Collaborative for Kids 3:25 Mother's Day gift ideas with William James Gifts 1:35 Understanding the Biden administration's plans to reclassify marijuana