WASHINGTON — Up all night, House Republicans are charging ahead on their multitrillion-dollar tax breaks package, with Speaker Mike Johnson defying the skeptics within his ranks and working to muscle President Donald Trump's priority bill to passage Thursday.

The White House is stepping up its public pressure campaign against House Republicans who are resisting the swift passage of

President Donald Trump warned Republicans on Wednesday that failure to pass his massive tax and immigration package would be “ultimate betrayal.” In a statement, the White House said the bill needs to “pass immediately” to keep promises that Trump and fellow Republicans made while campaigning.

Live updates and the latest news as Trump hosts South Africa's president and the House Rules Committee meets on the Republicans' budget bill.

The greatest benefits would go to high-income households, while low-income families would see a much more modest boost, analyses show.

Some $500 billion in cuts to Medicare could be avoided if Congress instructs the White House budget office to disregard the reconciliation package’s debt impact.

White House economists project that the budget legislation pending before the House will, if enacted, contribute to a stunning rise in the economy's growth path. Their numbers are eye-popping — and far higher than those that analysts outside the Trump administration are projecting.