Federal Retiree Tax Hikes?

Title: Higher federal withholding is taking a bite out of retirees' annuity checks
Article Snip: "...The suddenly shrinking checks have hit retirees generally, not just those who were employed by the federal government. On Thursday, the IRS posted information on "Why Employees and Retirees May See Changes in 2011 Payments and Withholding." ..."
Reference: www.washingtonpost.com
Federal Retirees