WSJ article here. The McCain campaign says "the savings would come from eliminating Medicare fraud and by reforming payment policies to lower the overall cost of care. He said the new tax credits will help some low-income people avoid joining Medicaid. The campaign also proposes increasing Medicare premiums for wealthier seniors."..."The nonpartisan Tax Policy Center, a Washington think tank, estimates that the McCain plan would cost the government $1.3 trillion over 10 years. The plan would allow as many as five million more people to have insurance, it estimates."