"The economy needs a tax cut, and the Republican Party needs to deliver," Sen. Lindsey Graham said. | John Shinkle/POLITICO Graham: Tax-cut failure 'not an option'

Sen. Lindsey Graham said on Sunday that "failure is not an option" when it comes to cutting taxes.

Appearing on CNN's "State of the Union," the South Carolina Republican said the fate of the Republican Party is in senators' hands, as a vote on a massive tax bill looms this week in the Senate, perhaps as early as Thursday.


"The economy needs a tax cut, and the Republican Party needs to deliver," Graham said. "So, I think we'll get there."

The House already has passed its own tax bill, and the issue is now facing tough sledding in the Senate.

Sen. Ron Johnson (R-Wis.), for one, is already against the bill, leaving a small Republican margin for passage, since Democrats are strongly opposed.

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President Donald Trump plans to meet with senators this week ahead of the tax vote to ramp up support, as well as separately with top Republican and Democratic congressional leaders to discuss spending and other measures still pending in Congress.