Can President-elect Barack Obama deliver on his expensive promises? That's the big question for the liberal wing of the Democratic Party, riding high after a series of election wins boosted the party's majority in both houses of Congress.
President-elect Obama promised a huge effort to expand healthcare coverage to millions of uninsured Americans. The price tag is about $100 billion a year, and Obama provided no specific recommendations about how to pay the bill other than vague claims of increased efficiencies through better use of technology and encouragement of prevention and self-care.
In facing a huge and growing …