Allow me to confess that I’ve been right out there with the best of them (or is it the worst?) when it comes to high-fiving and back-slapping over the positive results of the tax cuts enacted before Christmas. Businesses are hiring, handing out bonuses and onshoring capital. Workers are seeing more money in their paychecks and will see significant benefits when they file their taxes next year. Yes, there is plenty to celebrate, but there’s also a second, far less pleasant reality to contemplate.As the WaPo reports this weekend, the federal government is now on track to borrow a massive...