SAN DIEGO -- Two teachers are suspected of showing students video of American Nick Berg being decapitated, 10News reported. A social studies teacher from Grossmont High School in El Cajon allegedly showed students Wednesday a portion of the video, pictures and audio of the beheading, Grossmont Unified School District Superintendent Terry Ryan told 10News. Ryan said the teacher, Michael Smith, (pictured, far right), has been removed from the classroom pending a full investigation. Smith, an El Cajon native, graduated from Grossmont High School in 1983. Many of his students wore shirts Friday that read "Free Mr. Smith." Others, who also...