KAI RYSSDAL: The House passed its 2008 budget resolution today. It's the first full spending package the Democrats have had a chance to build from the ground up since they took over. And it promises boosts in spending for education, health care and national security.

But Marketplace's Hillary Wicai reports from Washington, there's a $50 billion dollar question mark the majority party's trying very hard not to talk about.

HILLARY WICAI: The Democrats tout their budget as a responsible plan that puts children and family first. Speaker of the House Nancy Pelosi was emphatic in her support...

Maya MacGuineas is with the Committee for a Responsible Federal Budget. She predicts that'll be a tough one.

MAYA MACGUINEAS: I think the likely solution will have the pieces of increasing taxes on the well-off, and using that new revenue to offset lifting the alternative mimnum tax off of the backs of many of those in the middle class. Still, it's going to be hard to rejigger a tax package in a way that all of the costs are offset.

And truth be told, pay-as-you-go has a loophole...

For the complete story, please visit the Marketplace website.