TAFT -- A 16-year-old student armed with a shotgun walked into class in a rural California high school on Thursday and shot one student, fired at another and missed, and then was talked into surrendering by a teacher and another staff member, officials said. The teen victim was in critical but stable condition, Kern County Sheriff Donny Youngblood told a press conference. The sheriff said the teacher at Taft Union High School suffered a minor pellet wound to the head and declined treatment. The gunman had as many as 20 rounds of ammunition in his pocket, the sheriff said. When …