April 27, 2016 2:45 pm Riding the Ponies in Tucson Ashley experiences what it’s like to ride a horse at Tanque Verde Dude Ranch in the breathtaking Tucson desert. 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