AL,
In the condensed version, we can not pay off the national debt.
We are disfunctioning with a fiat currency, it is debt based. If we were to pay off the national debt there would be no money in circulation, the money is loaned into circulation.
The latest reck on wall street, the root of the problem, "borrowed money" so what is there answer to the problem more "borrowed money".
Three dollar Bill Clinton was on his soap box about the budget surplus when he was in office, nooot they just cooked the books!
Read the book, "The Creature From Jekyll Island" by G. Edward Griffin for starters.