Thomas Edsall, NY Times
What may prove even more significant is the shift to chained CPI — a less generous, slower-growing measure of inflation than the one currently in use that would result in a tax increase over time and sets a precedent for Republicans who would like to use the same method to pare back so-called entitlement programs like Social Security and Medicare. It is, in effect, a backdoor method of reducing benefits for the elderly and the disadvantaged without public scrutiny or debate.
Source: Real Clear Politics