Jim Treacher, at Daily Caller, wrote the admirable headline quoted above.

[Yesterday] afternoon James Jay Lee, a crazy person with a gun, a bomb, and an anti-human manifesto inspired by Al Gore’s An Inconvenient Truth, took hostages at the offices of the Discovery Channel in Silver Spring. He was shot and killed by police. The hostages were freed, unharmed.

WaPo story

James Lee’s manifesto

All this demonstrates that stupidity and bad ideas can have serious, even potentially lethal, consequences.