2/16/10 HC Reform Update by Mark Sanna: An agreement to tax high-cost, employer-sponsored health insurance plans, announced with fanfare by the White House and labor unions last month, is losing support from labor leaders, who say the proposal is too high a price to pay for the limited health care package they expect to emerge from Congress. But the White House is still urging Congress to adopt the excise tax as a way to help pay for health care proposals.