January 14, 2013 7:56 am Teachers Train to Tackle Gunmen Texas teachers receive training on how to disarm a gunman, preparing themselves for the grim reality of workplace and school shootings. Elsa Ramon reports. US & World Videos 3:11 Ryan Gosling skips darker film roles because of Eva Mendes and daughters 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 2:05 Whoopi Goldberg reveals who will inherit her fortune