A major labor union will declare a successful summer effort to push forward the health care debate at a downtown Washington, D.C., event on Monday afternoon. The American Federation of State, County and Municipal Employees is hosting a block party at the AFL-CIO’s headquarters at noon “to celebrate the success of the union’s Highway to Health Care Reform’ campaign,— according to a union statement promoting the event. During the August recess, AFSCME spent $6 million on advertisements and grass-roots outreach, including an RV tour that made stops in 19 cities. AFL-CIO President John Sweeney and AFSCME President Gerald McEntee are both expected to speak at the event, which is being held at 815 16th St. NW.