Is the Dollar's Status at Risk?

BERKELEY â?? The dollar is the worldâ??s go-to currency. But for how much longer? Will the dollarâ??s status as the only true global currency be irreparably damaged by the battle in the US Congress over raising the federal governmentâ??s debt ceiling? Is the dollarâ??s â??exorbitant privilegeâ? as the worldâ??s main reserve currency truly at risk?