Senate Majority Leader Harry Reid (D-Nev.) has set a special caucus for Wednesday evening to brief Senators on his forthcoming health care overhaul even though he has yet to receive a formal cost estimate on the measure from the Congressional Budget Office.Reid told Members that the huddle would take place at 5 p.m.Scheduling the meeting suggests Reid is confident he will have the CBO score in hand by Wednesday afternoon. This could put Reid in a position to set up a vote to begin debate on the bill as early as Friday or Saturday.