National debt: Interest costs fastest-growing part of budget - Feb. 8, 2011: "NEW YORK (CNNMoney) -- Pop quiz: What's the fastest-growing portion of the federal budget this year?
There are a number of good candidates. Maybe it's Social Security. We know the baby boomers are retiring. Is it defense? The Pentagon is fighting wars in Afghanistan and Iraq, after all.
Maybe it's the ongoing cost of those bailouts that Congress passed more than two years ago.
OK, suspense over. It's the interest on the national debt, according to the Congressional Budget Office"