Having won control of the House, Democrats are opting to skip a key test of seriousness: They’re not even going to try to pass a budget resolution.

That would, after all, expose not only their divisions, but also the costs of their most-vaunted ideas, from Medicare for All to the Green New Deal.

And Speaker Nancy Pelosi can’t have that.

Budgets are a chance to show a practical vision for where you want to take the country, but a host of Democratic lawmakers and staff told Politico that any effort to agree on priorities would bring yet another public intra-party battle.

And, after the humiliating collapse of efforts to call out Rep. Ilhan Omar’s anti-Semitic remarks, that battle is all too likely to wind up as a win for the lunatic fringe.

In fact, Democrats have been avoiding the normal order of business for years now. Pelosi opted against a budget in 2010, when her party controlled the White House and the Senate, too. And then-Senate Majority Leader Harry Reid also avoided setting priorities, in favor of omnibus measures rushed through against a ticking clock so that no particular line item saw much discussion.

Get set for two years of Democrats railing at what they’re against, and offering vast dreams without even mentioning the costs, in hopes of regaining the Senate and White House in 2020. Only then would the public learn what they actually mean to do.