Organizing for America, the pro-administration grass-roots group will celebrate their volunteers’ efforts toward the passage of health care reform by lifting a few glasses this evening at Molly Brannigan’s. Joining them at the Mt. Lebanon bar will be Allegheny County Democratic Chairman Jim Burn, and Rep. Mike Doyle, from the neighboring 14th District. The Irish-themed pub is right down the street from the district office of Rep. Tim Murphy, but he voted against the bill. So if he shows up he’ll have to buy more than a few rounds to get a welcome from this crowd. Sen. Bob Casey is scheduled to check in by phone at the event, which starts at 7:45 p.m. Organizers said it’s one of several similar health care events they’ll be sponsoring across the state.