The Mercury NewsLetter: Mental health isn't the issue in shootingsThe Mercury NewsPUBLISHED: February 20, 2018 at 7:21 am | UPDATED: February 20, 2018 at 7:23 am. Since 2013 there have been nearly 300 school shootings in America – an average of about one per week. The response of President Trump and the GOP is to make it a mental ...and more »