November 26, 2018 12:35 pm US Senate Committee Holds Hearing on Gas Explosion Response Emotional testimony was heard during Monday’s U.S. Senate committee hearing in Massachusetts to review the response to the natural gas pipeline explosions in the Merrimack Valley. 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