In his nearly eight years in office, President Obama has formally addressed the nation on the subject of gun violence 25 times: on average, every 112 days. But in the last year alone, he has made such statements roughly every 36 days. In October 2015, after a gunman opened fire at Oregon's Umpqua Community College, killing nine people and injuring seven, a visibly upset Obama said the shootings were becoming all too routine. He then asked news organizations to tally... (GunPolicy.org)