You and your "OMG the USD is dooooomed!!!" brethren are just spreading FUD based on wishful thinking and a fundamental misunderstanding of basic economics.
Then I suppose the meaning and implication of runaway debt is completely lost to you.
US debt will not be paid off. It can't be paid off. NO AMOUNT of taxation, reasonable or otherwise, can put a dent in the US's ocean of debt.
That means a DEFAULT, an overnight trashing of the dollar's value (20-30% inflation in less than a year, it happened to the UK in 1975), large increases in gas and food price, and widespread unemployment of perhaps 30%.
Oh, and world reserve currency status? Say goodbye to it. That will be a killer blow to the USD.
This is coming within a few years at the most, and there is nothing anyone can do about it, except get out of US dollar assets.