When the Joint Committee on Taxation found the Republican tax bill would balloon the budget deficit, Republicans tried to discredit it.
Crucial votes from Senators McCain and Murkowski have the bill poised to pass.
In a rambling speech in Missouri on Tuesday, President Trump criticized the rich and said the tax bill in Washington would not help people like him.
The nonpartisan congressional Joint Committee on Taxation said an amended Senate tax bill would effectively raise taxes on low-income Americans by 2021.
The legislation is slightly more favorable than the House version to those with moderate incomes, but much depends on variables like household size.
Republicans claim that conservative-leaning states “subsidize” liberal-leaning states through deduction, while Democrats say repealing it will hurt middle-class families.