Hedge fund legend Julian Robertson is betting the farm against long-dated US Treasurys. As Notes readers will be aware, we have been banging the drum on the vulnerability of long-dated US debt for over a month now. But Robertson, of Tiger Management fame, has a different way to make this short long-term Treasurys play (hat tip Market Folly).

Martin Hutchinson says $2 trillion in Treasury borrowing this year is a conservative estimate. This new debt will push up private-sector borrowing rates, while rapid money supply growth will create inflation. Martin says the Rydex Inverse Bond Fund (RYJUX) is a good way to play the demise of long-term T-bonds.

Despite the chaos on Wall Street, the Fed yesterday left its benchmark interest rate on hold at 2%.

Martin Hutchinson says the Fed has finally starting doing its job: putting price stability over Wall Street’s demands. Real interest rates are negative. This is feeding inflation. It also means Treasury bond yields – also currently below the rate of inflation – are too low and should begin to rise again.

Martin says investors can profit from this situation with the Rydex Juno Inverse Government Long Bond Strategy (MUTF:RYJUX).

The federal budget deficit hasn’t received a lot of press lately, what with all the worries about the U.S. financial system, the home mortgage market, and the rescues that might be necessary to save both. In fact, it’s a bad sign, since the Bush administration and the Democrats in Congress have joint responsibility for keeping the budget deficit under control, so they would both be crowing about it if they were doing a good job.