One year ago, I huddled in a corner of the House of Representatives behind Capitol Police officers with their weapons pointed at the crumbling door to the chamber. We could hear the shouted obscenities and the mayhem beyond. We had heard the gunshot which killed an assailant.
The images of that day are a scar on our history, and a continuing indictment of a president who fomented the first violent attack on a peaceful transition of American power…