Being a conspiracy theorist is quite different to being a realist about the US economy or the global economy for that matter.
It's funny a man with the absolute integrity and brilliance of George Soros, gets questioned and flamed by a bunch of nobodies, for opinions and advice he is giving in order to SAVE the US economic meltdown.
The dollar is in big problems however. It's nearly at it's lowest point since the inception of the US dollar index, and with speculator flows out of the US, along with a budget deficit, a low real interest rate (due to an issue which is likely to become staglfation), the dollar has nowhere else to go, but down in the longer-term.
The US economy will not collapse (unlike the dollar) however, there will just have to be a period of negative growth and then a slow recovery, fuelled by a weak dollar and a point at which business will be stimulated to produce internally, as opposed importing, and in this fashion exports will rise and bring the budget deficit back into line. There also needs to be a re-flow of speculative capital back into the US from abroad, in order to keep investment and innovation on the up-move, but firstly, the prior all needs to happen to make it a positive risk/reward situation for international investors. There can be no dramatic new bull market as per all the other recessions seen. This is a lot closer situation to the great depression.