TightWind is written by Kyle Baxter. Stay Hungry. Stay Foolish.

Bond investors now require less return on Berkshire Hathaway’s debt than on debt for the U.S. federal government:

Two-year notes sold by the billionaire’s Berkshire Hathaway Inc. in February yield 3.5 basis points less than Treasuries of similar maturity, according to data compiled by Bloomberg. Procter & Gamble Co., Johnson & Johnson and Lowe’s Cos. debt also traded at lower yields in recent weeks, a situation former Lehman Brothers Holdings Inc. chief fixed-income strategist Jack Malvey calls an “exceedingly rare” event in the history of the bond market.

This means, basically, that investors believe a company to be more secure and stable than the U.S. government, once considered the safest investment of all because of its stability.

This will likely reverse, but it’s indicative of the doubt investors have for the U.S.’s financial stability. Moody’s warned last week the U.S. could lose its “AAA” credit rating if it doesn’t move to solve its debt problem.

This is the single-biggest issue facing us today. Not health care, not terrorism–it’s our financial situation. Our federal government depends upon debt to finance itself.

That’s why the Democrats’ healthcare reform bill is so dangerous: at a time when we must be figuring out how to pay down our debt and make current entitlements sustainable, Democrats are adding hundreds of billions of dollars of new spending to the budget each year, and using valuable means of paying for Medicare reform to pay for it. This is the height of irresponsibility.