Wagon Circling or Circular Firing Squad?

Politico: Senate Democrats are scrambling after an emergency meeting to discuss the fate of treasury secretary-designate Geithner. Earlier: Obama team stands by their nominee, says he made a "common mistake" on his taxes, was unaware his part-time housekeeper's work authorization expired during her employment. Full statement here. Plus: Read memo on Geithner's taxes here (PDF) NY Times: Committee called off his nomination hearing tentatively set for this week after Sen. Grassley raised the issues privately.