The global bond market, which we rely on for our reckless spending, has reached the end of their patience with us. Rising interest rates on bonds means we will be spending more money to pay the interest on loans we got to fun our “stimulus” packages than the entire economy will be generating. It’s over:

The yield on 10-year Treasuries – the benchmark price of money worldwide and the key driver of US mortgages rates – has rocketed to 3.3pc, up 35 basis points since President Barack Obama agreed on Monday to compromise with Senate Republicans on tax cuts.

The Treasury sell-off has ricocheted through the global system, triggering bond sell-offs in Asia, Europe and Latin America. Japan’s finance ministry braced as borrowing costs on seven-year debt jumped by a sixth in one trading session, while German Bunds punched through 3pc.

The White House deal with Congress will renew the Bush tax cuts for rich and poor alike for two years, as well as adding a further a 2pc cut in payroll taxes and an extension of unemployment aid.

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“The US can get away with this only because it is the world’s reserve currency. This would be totally unacceptable in any other country. We think these problems will start to crystallise for the US in the second half of 2011, once the European debt crisis has stabilised,” he said.

The warnings were echoed by Li Daokui, a rate-setter for China’s central bank. “The focus of the market is still in Europe, but we must be aware that the US fiscal situation is much worse than in Europe,” he said.

The US tax deal adds $1 trillion of stimulus over two years, according to BNP Paribas. America’s budget deficit will remain stuck near 10pc of GDP, not just in 2011 but also in 2012. This will push gross public debt to 110pc of GDP under the IMF definition, near the brink of a debt compound spiral. The contrast with fiscal tightening in Europe has become starkly evident.

Both Moody’s and Fitch warned that the US must map out a credible strategy to control spending. “We have long-term concerns about the US rating outlook and they’re not yet being addressed,” said Stephen Hess, chief US analyst for Moody’s.

Stephen Lewis, from Monument Securities, said the bond rout is a sign that Washington can no longer take global markets for granted. “We have reached the limits of tolerance for budget deficits. There is a feeling around the world that nobody in Washington is paying any attention to the implications of what they are doing, but there is a very real risk that this will backfire if it causes mortgage rates to keep going up,” he said.

Ironically the world relies on our much maligned free enterprise system to keep their economies going, now they are angry that as we embrace leftist economics we don’t have the wealth to keep propping them up. And they’re going to punish us by making us bankrupt ourselves quicker than we already are.

What are you going to do when America can’t afford to keep basic services running?