Unsustainable debt

From the CBO themselves...non-partisan judgment. Heh. Like we didn't know. 

Under current law, the federal budget is on an unsustainable path, because federal debt will continue to grow much faster than the economy over the long run. Although great uncertainty surrounds long-term fiscal projections, rising costs for health care and the aging of the population will cause federal spending to increase rapidly under any plausible scenario for current law