Eliminate COLAs for single people making over $100,000 and couples making over $200,000. Since the CPI overstates cost-of-living changes, switching to the Chained CPI will result in smaller COLAs. CPI understates the cost-of-living growth among the elderly. Index the COLAs to a price index which attempts to measure inflation experienced by seniors. Index COLAs to "Chained CPI" and Means-Test Them Index COLAs to "Chained CPI" Index COLAs to "CPI-E