US Teenager Arrested For Clock Invention Suspected to Be Explosive

Americans, including President Barack Obama, reacted with an outpouring of sympathy for a 14-year-old boy who was arrested at a Texas high school after a teacher mistook his scientific project - a homemade clock - for a bomb. Zlatica Hoke reports the incident has drawn attention to the blurry lines between caution and paranoia in the age of mass killings at U.S. schools and other public places.