Rutherford County Schools said a substitute teacher will no longer be working in the school district after he was accused of posting “inappropriate, threatening” comments on social media regarding President Donald Trump.Rutherford County Schools received several messages about David Colin on Wednesday. Colin is accused of posting on Facebook, “the only good Trump supporter is a dead Trump supporter,” on Facebook Nov. 9 at 9:29 a.m.Colin is not employed by RCS, but is contracted through PESG. The schools said Colin is no longer permitted to work in the district. The school district has notified PESG about Colin. The contractor indicted...