AN UTTERLY PREDICTABLE CATASTROPHE: A debt crisis is on the horizon.

President Trump’s recently released budget is a wake-up call. It projects that this year, a year of relatively strong economic growth, low unemployment and continued historically low interest rates, the deficit will reach $870 billion, 30 percent greater than last year.

For years, economists have warned of major increases in future public debt burdens. That future is on our doorstep. From this point forward, even if economic growth continues uninterrupted, current tax and spending patterns imply that annual deficits will steadily increase, approaching the $1 trillion mark in two years and steadily rising thereafter as far as the eye can see.

Unless Congress acts to reduce federal budget deficits, the outstanding public debt will reach $20 trillion a scant five years from now, up from its current level of $15 trillion. That amounts to almost a quarter of million dollars for a family of four, more than twice the median household wealth.

This string of perpetually rising trillion-dollar-plus deficits is unprecedented in U.S. history.

Anything which can’t go on forever will stop.