This week alone, the Treasury Department is selling $82 billion in new debt to investors. If that sounds like a lot, it is. The Treasury has been issuing many times more debt than ever before to fund the massive Obama Administration spending programs. The amount of supply hitting the market has caused handwringing over whether investor demand can keep up and continue to fund America's staggering deficits, with this week's debt auctions billed as a test of appetite for U.S. government debt. But it's a test the government has already passed. Here's how and why: