The Occupy movement has long been looking forward to today. Activists are looking to make May 1, sometimes known as May Day or International Workers’ Day, a seminal moment in the seven-month-old protest.

At last week’s Conservative Political Action Conference, one couldn’t walk five feet through Marriott Wardman Park Hotel without hearing some columnist, elected official or ordinary attendee inveigh against organized labor. The hotel’s largely union staff put up with it by showing their pride.