Liberals say it’s ridiculous to suggest that their anti-cop rhetoric had anything to do with the murder of two New York police officers yesterday. But three years ago, liberals and their allies in the MSM had a very different take on the effects of political rhetoric on violence, as Breitbart.com columnist John Sexton notes.

Allahpundit of Hot Air concurs:

In other words, the Left’s standard operating procedure.

Update:

Gabriel Malor’s tweets from last year are well worth reading again:

More from Twitchy founder Michelle Malkin here: