An Arizona high school biology teacher had his last week of teaching after becoming exasperated with his students’ constant smartphone usage in the classroom. Sahuaro High School’s Mitchell Rutherford spoke to a local Tucson NBC affiliate early last week, saying that he has done everything he can to try and get his students to break their "addiction" to their phones, and is now giving up. "I have been struggling with mental health this year mostly because of what I identified as basically phone... Read this story