Heart-wrenching cries echoed as funerals were held in Serbia on Saturday for some of the victims of two mass shootings that happened just a day apart this week, leaving 17 people dead and 21 wounded, many of them children. The shootings on Wednesday in a school in Belgrade and on Thursday in a rural area south of the capital city have left the nation stunned with grief and disbelief. Though Serbia is awash with weapons and no stranger to crisis situations following the wars of the 1990s, a school shooting like the one on Wednesday has never happened before. The...