House and Senate leaders from both parties will head to the White House Wednesday to preview President Obama's major speech on the deficit and debt.

Both House Speaker John BoehnerJohn Andrew BoehnerDems face hard choice for State of the Union response Even some conservatives seem open to return to earmarks Overnight Finance: Trump, lawmakers take key step to immigration deal | Trump urges Congress to bring back earmarks | Tax law poised to create windfall for states | Trump to attend Davos | Dimon walks back bitcoin criticism MORE (R-Ohio) and Democratic Leader Nancy Pelosi (D-Calif.) will attend, and White House communications director Dan Pfeiffer confirmed over Twitter that other congressional leaders will as well.

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White House press secretary Jay Carney refused to preview Obama's speech, saying only the president will lay out his "vision" for cutting the deficit.

Carney also voiced White House opposition to the GOP budget proposal laid out by Rep. Paul RyanPaul Davis RyanGOP leaders pitch children's health funding in plan to avert shutdown Lawmakers see shutdown’s odds rising Fix what we’ve got and make Medicare right this year MORE (R-Wis.), chairman of the House Budget Committee, saying it lacks balance and would cut the deficit on the backs of the middle class, poor and seniors.

Asked if Obama thinks Ryan's proposal is fundamentally unfair, Carney said yes.

The meetings tomorrow reprise, in a way, the closed-door huddles between the president, BoehnerJohn Andrew BoehnerDems face hard choice for State of the Union response Even some conservatives seem open to return to earmarks Overnight Finance: Trump, lawmakers take key step to immigration deal | Trump urges Congress to bring back earmarks | Tax law poised to create windfall for states | Trump to attend Davos | Dimon walks back bitcoin criticism MORE and Senate Majority Leader Harry ReidHarry Mason ReidDems search for winning playbook Dems face hard choice for State of the Union response The Memo: Immigration battle tests activists’ muscle MORE (D-Nev.) at the White House last week to hammer out a spending agreement for the remainder of fiscal year 2011. Senate Minority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellSessions: 'We should be like Canada' in how we take in immigrants NSA spying program overcomes key Senate hurdle Overnight Finance: Lawmakers see shutdown odds rising | Trump calls for looser rules for bank loans | Consumer bureau moves to revise payday lending rule | Trump warns China on trade deficit MORE (R-Ky.) also acknowledged a meeting on Monday with Obama.

Sam Youngman contributed to this post.