Ruth Marcus ["Whose Health Plan?", op-ed, Oct. 7] is correct that eliminating the tax preference for employer-sponsored health insurance, as proposed by Republican presidential nominee John McCain, could bring greater rationality to tax policy. Current tax policy on health insurance favors those who have the highest incomes and those who receive the most generous benefits from their employers. Mr. McCain's strategy would be an ingenious way to fund expansions in coverage through a progressive taxing scheme, were it not for reverberations that would be ... (more)