That story has been pushed for months by Newsmax, which is basically a conservative propaganda machine. Its not journalism, its an agenda being masqueraded as journalism.
Really, Im down on the US Dollar, the Fed, Treasury, etc, but the USD is FAR better off than almost every other currency. The problem with our economy comes down to jobs and the fact that most of the money being made is going to fewer and fewer people. Minimum wage (~$8/hour) isnt a working wage, it isnt sustainable. Its one step above slave labor and indentured servitude.
http://en.wikipedia.org/wiki/Wealth_inequality_in_the_United_StatesAt a certain point, The People will revolt. Thats the real threat. Bitcoin is part of this threat.