Signs of ObamaCare's failings mount daily, including soaring insurance costs, looming provider shortages and inadequate insurance exchanges. Yet the law's most disturbing feature may be the Independent Payment Advisory Board. The IPAB, sometimes called a "death panel," threatens both the Medicare program and the Constitution's separation of powers. At a time when many Americans have been unsettled by abuses at the Internal Revenue Service and Justice Department, the introduction of a powerful and largely unaccountable board into health care merits special scrutiny.

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