Democratic Sen. Mary Landrieu says she generally backs President Barack Obama's healthcare overhaul efforts. But she'd like to see a few items in the bill before voting for it. As Democratic leaders enter the intensive phase of their drive to pass health legislation, they must satisfy 60 Mary Landrieus in the Senate—every Democrat and the two Democratic-friendly independents, each with individual priorities—as they try to hold together a fragile coalition with no room for error. And that has only become more complicated as Democrats from conservative states puzzle over what to make of Republican victories Tuesday in governor's races in Virginia and New Jersey.