Parkland March 6, 2018 12:54 pm Students Across the US Are Asking ‘What If' in New Ad Many of the Parkland shooting survivors are taking action by asking “What if” in a new ad that pushes for gun reform. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look