Fox News host Chris Wallace on Sunday agreed with GOP hopeful Mitt Romney's claim during last week's presidential debate that the Republican nominee had not proposed a $5 trillion tax cut.

"I don’t have a $5 trillion tax cut," Romney had said on Wednesday. "I don’t have a tax cut of a scale that you’re talking about."

"Both sides since the debate have been saying that the other candidate is lying about his position," Wallace told Maryland Gov. Martin O'Malley (D) on Sunday. "The president keeps saying that Mitt Romney is proposing a $5 trillion tax cut. That's not true."