The writer, a Republican, is Nebraska's senior U.S. senator.I voted against the Medicare reform bill because it will not strengthen Medicare and does not responsibly address the need for prescription drug coverage. It will add trillions of dollars onto Medicare's current $13.5 trillion in unfunded liabilities for future generations. I voted against this for reasons different from those of many of my Democratic colleagues. Yes, it does contain some good things, like realistic Medicare reimbursement formulas for rural hospitals and physicians, preventive health care measures and means testing. For $400 billion over 10 years and an additional $7 trillion of...