An extremely dedicated dog has continued to show its loyalty, keeping watch on its owner's grave six years after he passed away. Capitan, a German shepherd, reportedly ran away from home after its owner, Miguel Guzman, died in 2006. A week later, the Guzman family found the dog sitting by his grave in central Argentina. Miguel Guzman adopted Capitan in 2005 as a gift for his teenage son, Damian. And for the past six years, Capitan has continued to stand guard at Miguel's grave. The family says the dog rarely leaves the site. "We searched for him, but he had...