On Friday morning, 27 people were reportedly shot and killed at Sandy Hook elementary school in Newtown, CT. According to sources, 18 of these casualties were children. This is the second mass shooting in the US this week, after a gunman opened fire in an Oregon shopping mall on Tuesday, killing 2. ABC News reports that there have been 31 school shootings in the US since Columbine in 1999. The rate of people killed by guns in the US is 19.5 times higher than similar high-income countries in the world. More here.