Cohen: Sometimes, tragedy just makes no sense

On Jan. 29, 1979, Brenda Ann Spencer killed two adults and wounded eight children at Grover Cleveland Elementary School in San Diego. When asked why, she said: “I don’t like Mondays. This livens up the day.”
Spencer, 16, was unapologetic. Her explanation was a sigh and a shrug. She was just bored. And when her ennui became agony, she grabbed her father’s .22-calibre rifle and began shooting.
She didn’t need a reason. “I don’t like Mondays” was enou