A student from South Korea described as a loner is responsible for killing 30 people at Virginia Tech.

We speak with security consultant who recently wrote about preventing weapons assaults in Campus Safety magazine.

Jason Piatt is a mechanical engineering student at Virginia Tech. He's a junior from Lynchburg, Virginia who was on campus yesterday.

China specialist says the Asian power faces a series of ecological crises.

A small New England town experiments with an alternative currency.

Twenty-four year's after JRR Tolkien's death, Christopher Tolkien finishes his father's novel.