Disturbing Scenario in Interest Rates Alone

The national debt needs to be reversed NOW in a factual sense, not a philosophical one.

"Interest payments on U.S. government debt are three times spending in the Iraq and Afghanistan wars already, and that is with the lowest interest rate we have seen since the 1960s. A rise in interest rates would increase interest payments dramatically. What can the U.S. government do today to prevent a crisis from happening when interest rates go up?"